Home / 930,925.80-1,396,388.70-925,020.90

Finding the Fourth Proportional to 930,925.80, 1,396,388.70 and 925,020.90

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Solution

The fourth proportional to 930,925.80, 1,396,388.70 and 925,020.90 is: 1,387,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,925.80 : 1,396,388.70 = 925,020.90 : x
  2. Step 2: Convert to fraction form
    930,925.80/1,396,388.70 = 925,020.90/x
  3. Step 3: Cross multiply
    930,925.80x = 1,396,388.70 × 925,020.90
  4. Step 4: Simplify right side
    930,925.80x = 1,291,688,732,023.83
  5. Step 5: Solve for x
    x = 1,291,688,732,023.83/930,925.80
  6. Step 6: Final answer
    x = 1,387,531.35

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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.