Home / 1,557,243.32-2,335,815.72-658,441.04

Finding the Fourth Proportional to 1,557,243.32, 2,335,815.72 and 658,441.04

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Solution

The fourth proportional to 1,557,243.32, 2,335,815.72 and 658,441.04 is: 987,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,243.32 : 2,335,815.72 = 658,441.04 : x
  2. Step 2: Convert to fraction form
    1,557,243.32/2,335,815.72 = 658,441.04/x
  3. Step 3: Cross multiply
    1,557,243.32x = 2,335,815.72 × 658,441.04
  4. Step 4: Simplify right side
    1,557,243.32x = 1,537,996,931,925.15
  5. Step 5: Solve for x
    x = 1,537,996,931,925.15/1,557,243.32
  6. Step 6: Final answer
    x = 987,640.73

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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.