Home / 1,020,200.55-1,528,551.23-486,572.55

Finding the Fourth Proportional to 1,020,200.55, 1,528,551.23 and 486,572.55

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Solution

The fourth proportional to 1,020,200.55, 1,528,551.23 and 486,572.55 is: 729,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,200.55 : 1,528,551.23 = 486,572.55 : x
  2. Step 2: Convert to fraction form
    1,020,200.55/1,528,551.23 = 486,572.55/x
  3. Step 3: Cross multiply
    1,020,200.55x = 1,528,551.23 × 486,572.55
  4. Step 4: Simplify right side
    1,020,200.55x = 743,751,067,353.87
  5. Step 5: Solve for x
    x = 743,751,067,353.87/1,020,200.55
  6. Step 6: Final answer
    x = 729,024.37

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Double scale
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1.5x scale

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.