Home / 1,117,427.70-1,676,141.55-275,979.45

Finding the Fourth Proportional to 1,117,427.70, 1,676,141.55 and 275,979.45

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Solution

The fourth proportional to 1,117,427.70, 1,676,141.55 and 275,979.45 is: 413,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,427.70 : 1,676,141.55 = 275,979.45 : x
  2. Step 2: Convert to fraction form
    1,117,427.70/1,676,141.55 = 275,979.45/x
  3. Step 3: Cross multiply
    1,117,427.70x = 1,676,141.55 × 275,979.45
  4. Step 4: Simplify right side
    1,117,427.70x = 462,580,623,091.15
  5. Step 5: Solve for x
    x = 462,580,623,091.15/1,117,427.70
  6. Step 6: Final answer
    x = 413,969.18

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Double scale
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1.5x scale

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.