Home / 1,020,346.20-1,530,519.30-862,882.20

Finding the Fourth Proportional to 1,020,346.20, 1,530,519.30 and 862,882.20

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Solution

The fourth proportional to 1,020,346.20, 1,530,519.30 and 862,882.20 is: 1,294,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,346.20 : 1,530,519.30 = 862,882.20 : x
  2. Step 2: Convert to fraction form
    1,020,346.20/1,530,519.30 = 862,882.20/x
  3. Step 3: Cross multiply
    1,020,346.20x = 1,530,519.30 × 862,882.20
  4. Step 4: Simplify right side
    1,020,346.20x = 1,320,657,860,726.46
  5. Step 5: Solve for x
    x = 1,320,657,860,726.46/1,020,346.20
  6. Step 6: Final answer
    x = 1,294,323.30

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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.