Home / 1,038,432.80-1,557,641.64-558,885.80

Finding the Fourth Proportional to 1,038,432.80, 1,557,641.64 and 558,885.80

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Solution

The fourth proportional to 1,038,432.80, 1,557,641.64 and 558,885.80 is: 838,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,432.80 : 1,557,641.64 = 558,885.80 : x
  2. Step 2: Convert to fraction form
    1,038,432.80/1,557,641.64 = 558,885.80/x
  3. Step 3: Cross multiply
    1,038,432.80x = 1,557,641.64 × 558,885.80
  4. Step 4: Simplify right side
    1,038,432.80x = 870,543,794,084.71
  5. Step 5: Solve for x
    x = 870,543,794,084.71/1,038,432.80
  6. Step 6: Final answer
    x = 838,324.63

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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.