Home / 1,108,354.38-1,662,547.86-731,687.34

Finding the Fourth Proportional to 1,108,354.38, 1,662,547.86 and 731,687.34

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Solution

The fourth proportional to 1,108,354.38, 1,662,547.86 and 731,687.34 is: 1,097,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,354.38 : 1,662,547.86 = 731,687.34 : x
  2. Step 2: Convert to fraction form
    1,108,354.38/1,662,547.86 = 731,687.34/x
  3. Step 3: Cross multiply
    1,108,354.38x = 1,662,547.86 × 731,687.34
  4. Step 4: Simplify right side
    1,108,354.38x = 1,216,465,221,306.09
  5. Step 5: Solve for x
    x = 1,216,465,221,306.09/1,108,354.38
  6. Step 6: Final answer
    x = 1,097,541.76

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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.