Home / 963,909.40-1,445,864.10-918,290.20

Finding the Fourth Proportional to 963,909.40, 1,445,864.10 and 918,290.20

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Solution

The fourth proportional to 963,909.40, 1,445,864.10 and 918,290.20 is: 1,377,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,909.40 : 1,445,864.10 = 918,290.20 : x
  2. Step 2: Convert to fraction form
    963,909.40/1,445,864.10 = 918,290.20/x
  3. Step 3: Cross multiply
    963,909.40x = 1,445,864.10 × 918,290.20
  4. Step 4: Simplify right side
    963,909.40x = 1,327,722,833,561.82
  5. Step 5: Solve for x
    x = 1,327,722,833,561.82/963,909.40
  6. Step 6: Final answer
    x = 1,377,435.30

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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.