Home / 1,526,862.80-2,290,294.20-389,622.80

Finding the Fourth Proportional to 1,526,862.80, 2,290,294.20 and 389,622.80

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Solution

The fourth proportional to 1,526,862.80, 2,290,294.20 and 389,622.80 is: 584,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,862.80 : 2,290,294.20 = 389,622.80 : x
  2. Step 2: Convert to fraction form
    1,526,862.80/2,290,294.20 = 389,622.80/x
  3. Step 3: Cross multiply
    1,526,862.80x = 2,290,294.20 × 389,622.80
  4. Step 4: Simplify right side
    1,526,862.80x = 892,350,839,027.76
  5. Step 5: Solve for x
    x = 892,350,839,027.76/1,526,862.80
  6. Step 6: Final answer
    x = 584,434.20

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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.