Home / 1,296,011.10-1,944,016.65-870,858.30

Finding the Fourth Proportional to 1,296,011.10, 1,944,016.65 and 870,858.30

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Solution

The fourth proportional to 1,296,011.10, 1,944,016.65 and 870,858.30 is: 1,306,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,011.10 : 1,944,016.65 = 870,858.30 : x
  2. Step 2: Convert to fraction form
    1,296,011.10/1,944,016.65 = 870,858.30/x
  3. Step 3: Cross multiply
    1,296,011.10x = 1,944,016.65 × 870,858.30
  4. Step 4: Simplify right side
    1,296,011.10x = 1,692,963,034,990.70
  5. Step 5: Solve for x
    x = 1,692,963,034,990.70/1,296,011.10
  6. Step 6: Final answer
    x = 1,306,287.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.