Home / 1,059,652.80-1,585,850.40-639,230.40

Finding the Fourth Proportional to 1,059,652.80, 1,585,850.40 and 639,230.40

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Solution

The fourth proportional to 1,059,652.80, 1,585,850.40 and 639,230.40 is: 956,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,652.80 : 1,585,850.40 = 639,230.40 : x
  2. Step 2: Convert to fraction form
    1,059,652.80/1,585,850.40 = 639,230.40/x
  3. Step 3: Cross multiply
    1,059,652.80x = 1,585,850.40 × 639,230.40
  4. Step 4: Simplify right side
    1,059,652.80x = 1,013,723,785,532.16
  5. Step 5: Solve for x
    x = 1,013,723,785,532.16/1,059,652.80
  6. Step 6: Final answer
    x = 956,656.54

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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.