Home / 1,522,945.72-2,102,479.98-972,215.32

Finding the Fourth Proportional to 1,522,945.72, 2,102,479.98 and 972,215.32

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Solution

The fourth proportional to 1,522,945.72, 2,102,479.98 and 972,215.32 is: 1,342,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,945.72 : 2,102,479.98 = 972,215.32 : x
  2. Step 2: Convert to fraction form
    1,522,945.72/2,102,479.98 = 972,215.32/x
  3. Step 3: Cross multiply
    1,522,945.72x = 2,102,479.98 × 972,215.32
  4. Step 4: Simplify right side
    1,522,945.72x = 2,044,063,246,549.29
  5. Step 5: Solve for x
    x = 2,044,063,246,549.29/1,522,945.72
  6. Step 6: Final answer
    x = 1,342,177.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.