Home / 1,545,139.60-2,317,709.40-646,282.60

Finding the Fourth Proportional to 1,545,139.60, 2,317,709.40 and 646,282.60

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Solution

The fourth proportional to 1,545,139.60, 2,317,709.40 and 646,282.60 is: 969,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,139.60 : 2,317,709.40 = 646,282.60 : x
  2. Step 2: Convert to fraction form
    1,545,139.60/2,317,709.40 = 646,282.60/x
  3. Step 3: Cross multiply
    1,545,139.60x = 2,317,709.40 × 646,282.60
  4. Step 4: Simplify right side
    1,545,139.60x = 1,497,895,257,076.44
  5. Step 5: Solve for x
    x = 1,497,895,257,076.44/1,545,139.60
  6. Step 6: Final answer
    x = 969,423.90

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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.