Home / 1,155,343.38-1,732,781.79-803,557.14

Finding the Fourth Proportional to 1,155,343.38, 1,732,781.79 and 803,557.14

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Solution

The fourth proportional to 1,155,343.38, 1,732,781.79 and 803,557.14 is: 1,205,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,343.38 : 1,732,781.79 = 803,557.14 : x
  2. Step 2: Convert to fraction form
    1,155,343.38/1,732,781.79 = 803,557.14/x
  3. Step 3: Cross multiply
    1,155,343.38x = 1,732,781.79 × 803,557.14
  4. Step 4: Simplify right side
    1,155,343.38x = 1,392,389,179,416.48
  5. Step 5: Solve for x
    x = 1,392,389,179,416.48/1,155,343.38
  6. Step 6: Final answer
    x = 1,205,173.46

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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.