Home / 1,025,079.64-1,537,766.48-315,167.28

Finding the Fourth Proportional to 1,025,079.64, 1,537,766.48 and 315,167.28

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Solution

The fourth proportional to 1,025,079.64, 1,537,766.48 and 315,167.28 is: 472,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,079.64 : 1,537,766.48 = 315,167.28 : x
  2. Step 2: Convert to fraction form
    1,025,079.64/1,537,766.48 = 315,167.28/x
  3. Step 3: Cross multiply
    1,025,079.64x = 1,537,766.48 × 315,167.28
  4. Step 4: Simplify right side
    1,025,079.64x = 484,653,678,776.77
  5. Step 5: Solve for x
    x = 484,653,678,776.77/1,025,079.64
  6. Step 6: Final answer
    x = 472,796.12

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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.