Home / 1,020,246.30-1,528,619.85-486,618.30

Finding the Fourth Proportional to 1,020,246.30, 1,528,619.85 and 486,618.30

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Solution

The fourth proportional to 1,020,246.30, 1,528,619.85 and 486,618.30 is: 729,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,246.30 : 1,528,619.85 = 486,618.30 : x
  2. Step 2: Convert to fraction form
    1,020,246.30/1,528,619.85 = 486,618.30/x
  3. Step 3: Cross multiply
    1,020,246.30x = 1,528,619.85 × 486,618.30
  4. Step 4: Simplify right side
    1,020,246.30x = 743,854,392,753.26
  5. Step 5: Solve for x
    x = 743,854,392,753.26/1,020,246.30
  6. Step 6: Final answer
    x = 729,092.96

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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.