Home / 1,861,505.62-2,792,265.72-1,230,279.10

Finding the Fourth Proportional to 1,861,505.62, 2,792,265.72 and 1,230,279.10

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Solution

The fourth proportional to 1,861,505.62, 2,792,265.72 and 1,230,279.10 is: 1,845,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,505.62 : 2,792,265.72 = 1,230,279.10 : x
  2. Step 2: Convert to fraction form
    1,861,505.62/2,792,265.72 = 1,230,279.10/x
  3. Step 3: Cross multiply
    1,861,505.62x = 2,792,265.72 × 1,230,279.10
  4. Step 4: Simplify right side
    1,861,505.62x = 3,435,266,145,368.24
  5. Step 5: Solve for x
    x = 3,435,266,145,368.24/1,861,505.62
  6. Step 6: Final answer
    x = 1,845,423.46

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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.