Home / 1,399,243.38-2,098,930.68-452,688

Finding the Fourth Proportional to 1,399,243.38, 2,098,930.68 and 452,688

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Solution

The fourth proportional to 1,399,243.38, 2,098,930.68 and 452,688 is: 679,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,243.38 : 2,098,930.68 = 452,688 : x
  2. Step 2: Convert to fraction form
    1,399,243.38/2,098,930.68 = 452,688/x
  3. Step 3: Cross multiply
    1,399,243.38x = 2,098,930.68 × 452,688
  4. Step 4: Simplify right side
    1,399,243.38x = 950,160,731,667.84
  5. Step 5: Solve for x
    x = 950,160,731,667.84/1,399,243.38
  6. Step 6: Final answer
    x = 679,053.23

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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.