Home / 1,560,678.18-2,153,883.60-979,996.92

Finding the Fourth Proportional to 1,560,678.18, 2,153,883.60 and 979,996.92

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Solution

The fourth proportional to 1,560,678.18, 2,153,883.60 and 979,996.92 is: 1,352,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,678.18 : 2,153,883.60 = 979,996.92 : x
  2. Step 2: Convert to fraction form
    1,560,678.18/2,153,883.60 = 979,996.92/x
  3. Step 3: Cross multiply
    1,560,678.18x = 2,153,883.60 × 979,996.92
  4. Step 4: Simplify right side
    1,560,678.18x = 2,110,799,294,038.51
  5. Step 5: Solve for x
    x = 2,110,799,294,038.51/1,560,678.18
  6. Step 6: Final answer
    x = 1,352,488.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.