Home / 859,176.30-1,288,764.45-754,200.30

Finding the Fourth Proportional to 859,176.30, 1,288,764.45 and 754,200.30

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Solution

The fourth proportional to 859,176.30, 1,288,764.45 and 754,200.30 is: 1,131,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,176.30 : 1,288,764.45 = 754,200.30 : x
  2. Step 2: Convert to fraction form
    859,176.30/1,288,764.45 = 754,200.30/x
  3. Step 3: Cross multiply
    859,176.30x = 1,288,764.45 × 754,200.30
  4. Step 4: Simplify right side
    859,176.30x = 971,986,534,819.34
  5. Step 5: Solve for x
    x = 971,986,534,819.34/859,176.30
  6. Step 6: Final answer
    x = 1,131,300.45

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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.