Home / 1,039,574.60-1,559,945.10-440,433.80

Finding the Fourth Proportional to 1,039,574.60, 1,559,945.10 and 440,433.80

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Solution

The fourth proportional to 1,039,574.60, 1,559,945.10 and 440,433.80 is: 660,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,574.60 : 1,559,945.10 = 440,433.80 : x
  2. Step 2: Convert to fraction form
    1,039,574.60/1,559,945.10 = 440,433.80/x
  3. Step 3: Cross multiply
    1,039,574.60x = 1,559,945.10 × 440,433.80
  4. Step 4: Simplify right side
    1,039,574.60x = 687,052,548,184.38
  5. Step 5: Solve for x
    x = 687,052,548,184.38/1,039,574.60
  6. Step 6: Final answer
    x = 660,897.78

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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.