Home / 1,038,346.28-1,557,512.40-558,799.76

Finding the Fourth Proportional to 1,038,346.28, 1,557,512.40 and 558,799.76

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Solution

The fourth proportional to 1,038,346.28, 1,557,512.40 and 558,799.76 is: 838,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,346.28 : 1,557,512.40 = 558,799.76 : x
  2. Step 2: Convert to fraction form
    1,038,346.28/1,557,512.40 = 558,799.76/x
  3. Step 3: Cross multiply
    1,038,346.28x = 1,557,512.40 × 558,799.76
  4. Step 4: Simplify right side
    1,038,346.28x = 870,337,555,317.02
  5. Step 5: Solve for x
    x = 870,337,555,317.02/1,038,346.28
  6. Step 6: Final answer
    x = 838,195.86

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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.