Home / 1,013,470.40-1,520,205.60-930,801.80

Finding the Fourth Proportional to 1,013,470.40, 1,520,205.60 and 930,801.80

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Solution

The fourth proportional to 1,013,470.40, 1,520,205.60 and 930,801.80 is: 1,396,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,470.40 : 1,520,205.60 = 930,801.80 : x
  2. Step 2: Convert to fraction form
    1,013,470.40/1,520,205.60 = 930,801.80/x
  3. Step 3: Cross multiply
    1,013,470.40x = 1,520,205.60 × 930,801.80
  4. Step 4: Simplify right side
    1,013,470.40x = 1,415,010,108,850.08
  5. Step 5: Solve for x
    x = 1,415,010,108,850.08/1,013,470.40
  6. Step 6: Final answer
    x = 1,396,202.70

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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.