Home / 1,125,266.78-1,687,900.14-337,298.78

Finding the Fourth Proportional to 1,125,266.78, 1,687,900.14 and 337,298.78

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Solution

The fourth proportional to 1,125,266.78, 1,687,900.14 and 337,298.78 is: 505,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,266.78 : 1,687,900.14 = 337,298.78 : x
  2. Step 2: Convert to fraction form
    1,125,266.78/1,687,900.14 = 337,298.78/x
  3. Step 3: Cross multiply
    1,125,266.78x = 1,687,900.14 × 337,298.78
  4. Step 4: Simplify right side
    1,125,266.78x = 569,326,657,983.83
  5. Step 5: Solve for x
    x = 569,326,657,983.83/1,125,266.78
  6. Step 6: Final answer
    x = 505,948.16

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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.