Home / 961,640.20-1,442,460.30-917,353.45

Finding the Fourth Proportional to 961,640.20, 1,442,460.30 and 917,353.45

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Solution

The fourth proportional to 961,640.20, 1,442,460.30 and 917,353.45 is: 1,376,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,640.20 : 1,442,460.30 = 917,353.45 : x
  2. Step 2: Convert to fraction form
    961,640.20/1,442,460.30 = 917,353.45/x
  3. Step 3: Cross multiply
    961,640.20x = 1,442,460.30 × 917,353.45
  4. Step 4: Simplify right side
    961,640.20x = 1,323,245,932,693.03
  5. Step 5: Solve for x
    x = 1,323,245,932,693.03/961,640.20
  6. Step 6: Final answer
    x = 1,376,030.18

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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.