Home / 1,020,162.80-1,528,494.60-486,534.80

Finding the Fourth Proportional to 1,020,162.80, 1,528,494.60 and 486,534.80

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Solution

The fourth proportional to 1,020,162.80, 1,528,494.60 and 486,534.80 is: 728,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,162.80 : 1,528,494.60 = 486,534.80 : x
  2. Step 2: Convert to fraction form
    1,020,162.80/1,528,494.60 = 486,534.80/x
  3. Step 3: Cross multiply
    1,020,162.80x = 1,528,494.60 × 486,534.80
  4. Step 4: Simplify right side
    1,020,162.80x = 743,665,814,512.08
  5. Step 5: Solve for x
    x = 743,665,814,512.08/1,020,162.80
  6. Step 6: Final answer
    x = 728,967.78

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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.