Home / 1,040,074.80-1,559,334.60-440,545.20

Finding the Fourth Proportional to 1,040,074.80, 1,559,334.60 and 440,545.20

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Solution

The fourth proportional to 1,040,074.80, 1,559,334.60 and 440,545.20 is: 660,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,074.80 : 1,559,334.60 = 440,545.20 : x
  2. Step 2: Convert to fraction form
    1,040,074.80/1,559,334.60 = 440,545.20/x
  3. Step 3: Cross multiply
    1,040,074.80x = 1,559,334.60 × 440,545.20
  4. Step 4: Simplify right side
    1,040,074.80x = 686,957,373,223.92
  5. Step 5: Solve for x
    x = 686,957,373,223.92/1,040,074.80
  6. Step 6: Final answer
    x = 660,488.43

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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.