Home / 1,515,432.57-2,273,575.31-662,579.11

Finding the Fourth Proportional to 1,515,432.57, 2,273,575.31 and 662,579.11

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Solution

The fourth proportional to 1,515,432.57, 2,273,575.31 and 662,579.11 is: 994,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,432.57 : 2,273,575.31 = 662,579.11 : x
  2. Step 2: Convert to fraction form
    1,515,432.57/2,273,575.31 = 662,579.11/x
  3. Step 3: Cross multiply
    1,515,432.57x = 2,273,575.31 × 662,579.11
  4. Step 4: Simplify right side
    1,515,432.57x = 1,506,423,505,417.77
  5. Step 5: Solve for x
    x = 1,506,423,505,417.77/1,515,432.57
  6. Step 6: Final answer
    x = 994,055.12

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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.