Home / 1,040,523.68-1,559,580.72-478,378.40

Finding the Fourth Proportional to 1,040,523.68, 1,559,580.72 and 478,378.40

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Solution

The fourth proportional to 1,040,523.68, 1,559,580.72 and 478,378.40 is: 717,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,523.68 : 1,559,580.72 = 478,378.40 : x
  2. Step 2: Convert to fraction form
    1,040,523.68/1,559,580.72 = 478,378.40/x
  3. Step 3: Cross multiply
    1,040,523.68x = 1,559,580.72 × 478,378.40
  4. Step 4: Simplify right side
    1,040,523.68x = 746,069,729,504.45
  5. Step 5: Solve for x
    x = 746,069,729,504.45/1,040,523.68
  6. Step 6: Final answer
    x = 717,013.70

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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.