Home / 917,354.70-1,373,310.45-681,741.90

Finding the Fourth Proportional to 917,354.70, 1,373,310.45 and 681,741.90

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Solution

The fourth proportional to 917,354.70, 1,373,310.45 and 681,741.90 is: 1,020,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,354.70 : 1,373,310.45 = 681,741.90 : x
  2. Step 2: Convert to fraction form
    917,354.70/1,373,310.45 = 681,741.90/x
  3. Step 3: Cross multiply
    917,354.70x = 1,373,310.45 × 681,741.90
  4. Step 4: Simplify right side
    917,354.70x = 936,243,275,472.86
  5. Step 5: Solve for x
    x = 936,243,275,472.86/917,354.70
  6. Step 6: Final answer
    x = 1,020,590.26

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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.