Home / 1,445,666.40-1,995,159.60-801,295.20

Finding the Fourth Proportional to 1,445,666.40, 1,995,159.60 and 801,295.20

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Solution

The fourth proportional to 1,445,666.40, 1,995,159.60 and 801,295.20 is: 1,105,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,666.40 : 1,995,159.60 = 801,295.20 : x
  2. Step 2: Convert to fraction form
    1,445,666.40/1,995,159.60 = 801,295.20/x
  3. Step 3: Cross multiply
    1,445,666.40x = 1,995,159.60 × 801,295.20
  4. Step 4: Simplify right side
    1,445,666.40x = 1,598,711,810,713.92
  5. Step 5: Solve for x
    x = 1,598,711,810,713.92/1,445,666.40
  6. Step 6: Final answer
    x = 1,105,864.96

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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.