Home / 1,038,435.27-1,557,915.96-318,813.71

Finding the Fourth Proportional to 1,038,435.27, 1,557,915.96 and 318,813.71

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Solution

The fourth proportional to 1,038,435.27, 1,557,915.96 and 318,813.71 is: 478,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,435.27 : 1,557,915.96 = 318,813.71 : x
  2. Step 2: Convert to fraction form
    1,038,435.27/1,557,915.96 = 318,813.71/x
  3. Step 3: Cross multiply
    1,038,435.27x = 1,557,915.96 × 318,813.71
  4. Step 4: Simplify right side
    1,038,435.27x = 496,684,959,286.23
  5. Step 5: Solve for x
    x = 496,684,959,286.23/1,038,435.27
  6. Step 6: Final answer
    x = 478,301.32

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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.