Home / 851,002.40-1,275,191.40-738,153.20

Finding the Fourth Proportional to 851,002.40, 1,275,191.40 and 738,153.20

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Solution

The fourth proportional to 851,002.40, 1,275,191.40 and 738,153.20 is: 1,106,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,002.40 : 1,275,191.40 = 738,153.20 : x
  2. Step 2: Convert to fraction form
    851,002.40/1,275,191.40 = 738,153.20/x
  3. Step 3: Cross multiply
    851,002.40x = 1,275,191.40 × 738,153.20
  4. Step 4: Simplify right side
    851,002.40x = 941,286,612,522.48
  5. Step 5: Solve for x
    x = 941,286,612,522.48/851,002.40
  6. Step 6: Final answer
    x = 1,106,091.61

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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.