Home / 1,515,431.57-2,273,573.81-662,578.11

Finding the Fourth Proportional to 1,515,431.57, 2,273,573.81 and 662,578.11

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Solution

The fourth proportional to 1,515,431.57, 2,273,573.81 and 662,578.11 is: 994,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,431.57 : 2,273,573.81 = 662,578.11 : x
  2. Step 2: Convert to fraction form
    1,515,431.57/2,273,573.81 = 662,578.11/x
  3. Step 3: Cross multiply
    1,515,431.57x = 2,273,573.81 × 662,578.11
  4. Step 4: Simplify right side
    1,515,431.57x = 1,506,420,239,631.74
  5. Step 5: Solve for x
    x = 1,506,420,239,631.74/1,515,431.57
  6. Step 6: Final answer
    x = 994,053.62

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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.