Home / 1,512,754.52-2,087,574.46-824,432.72

Finding the Fourth Proportional to 1,512,754.52, 2,087,574.46 and 824,432.72

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Solution

The fourth proportional to 1,512,754.52, 2,087,574.46 and 824,432.72 is: 1,137,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,754.52 : 2,087,574.46 = 824,432.72 : x
  2. Step 2: Convert to fraction form
    1,512,754.52/2,087,574.46 = 824,432.72/x
  3. Step 3: Cross multiply
    1,512,754.52x = 2,087,574.46 × 824,432.72
  4. Step 4: Simplify right side
    1,512,754.52x = 1,721,064,677,761.38
  5. Step 5: Solve for x
    x = 1,721,064,677,761.38/1,512,754.52
  6. Step 6: Final answer
    x = 1,137,702.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.