Home / 1,304,009.10-1,799,618.88-731,086.38

Finding the Fourth Proportional to 1,304,009.10, 1,799,618.88 and 731,086.38

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Solution

The fourth proportional to 1,304,009.10, 1,799,618.88 and 731,086.38 is: 1,008,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,009.10 : 1,799,618.88 = 731,086.38 : x
  2. Step 2: Convert to fraction form
    1,304,009.10/1,799,618.88 = 731,086.38/x
  3. Step 3: Cross multiply
    1,304,009.10x = 1,799,618.88 × 731,086.38
  4. Step 4: Simplify right side
    1,304,009.10x = 1,315,676,852,358.85
  5. Step 5: Solve for x
    x = 1,315,676,852,358.85/1,304,009.10
  6. Step 6: Final answer
    x = 1,008,947.60

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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.