Home / 1,038,348.53-1,557,785.86-318,726.71

Finding the Fourth Proportional to 1,038,348.53, 1,557,785.86 and 318,726.71

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Solution

The fourth proportional to 1,038,348.53, 1,557,785.86 and 318,726.71 is: 478,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,348.53 : 1,557,785.86 = 318,726.71 : x
  2. Step 2: Convert to fraction form
    1,038,348.53/1,557,785.86 = 318,726.71/x
  3. Step 3: Cross multiply
    1,038,348.53x = 1,557,785.86 × 318,726.71
  4. Step 4: Simplify right side
    1,038,348.53x = 496,507,965,316.77
  5. Step 5: Solve for x
    x = 496,507,965,316.77/1,038,348.53
  6. Step 6: Final answer
    x = 478,170.82

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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.