Home / 1,013,756.50-1,520,044.26-445,114.90

Finding the Fourth Proportional to 1,013,756.50, 1,520,044.26 and 445,114.90

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Solution

The fourth proportional to 1,013,756.50, 1,520,044.26 and 445,114.90 is: 667,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,756.50 : 1,520,044.26 = 445,114.90 : x
  2. Step 2: Convert to fraction form
    1,013,756.50/1,520,044.26 = 445,114.90/x
  3. Step 3: Cross multiply
    1,013,756.50x = 1,520,044.26 × 445,114.90
  4. Step 4: Simplify right side
    1,013,756.50x = 676,594,348,785.47
  5. Step 5: Solve for x
    x = 676,594,348,785.47/1,013,756.50
  6. Step 6: Final answer
    x = 667,413.08

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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.