Home / 1,154,077.20-1,731,115.80-1,039,915.80

Finding the Fourth Proportional to 1,154,077.20, 1,731,115.80 and 1,039,915.80

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Solution

The fourth proportional to 1,154,077.20, 1,731,115.80 and 1,039,915.80 is: 1,559,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,077.20 : 1,731,115.80 = 1,039,915.80 : x
  2. Step 2: Convert to fraction form
    1,154,077.20/1,731,115.80 = 1,039,915.80/x
  3. Step 3: Cross multiply
    1,154,077.20x = 1,731,115.80 × 1,039,915.80
  4. Step 4: Simplify right side
    1,154,077.20x = 1,800,214,672,049.64
  5. Step 5: Solve for x
    x = 1,800,214,672,049.64/1,154,077.20
  6. Step 6: Final answer
    x = 1,559,873.70

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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.