Home / 1,038,748.80-1,557,182.76-407,493.12

Finding the Fourth Proportional to 1,038,748.80, 1,557,182.76 and 407,493.12

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Solution

The fourth proportional to 1,038,748.80, 1,557,182.76 and 407,493.12 is: 610,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,748.80 : 1,557,182.76 = 407,493.12 : x
  2. Step 2: Convert to fraction form
    1,038,748.80/1,557,182.76 = 407,493.12/x
  3. Step 3: Cross multiply
    1,038,748.80x = 1,557,182.76 × 407,493.12
  4. Step 4: Simplify right side
    1,038,748.80x = 634,541,261,282.61
  5. Step 5: Solve for x
    x = 634,541,261,282.61/1,038,748.80
  6. Step 6: Final answer
    x = 610,870.75

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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.