Home / 1,515,285.12-2,091,104.92-826,962.24

Finding the Fourth Proportional to 1,515,285.12, 2,091,104.92 and 826,962.24

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Solution

The fourth proportional to 1,515,285.12, 2,091,104.92 and 826,962.24 is: 1,141,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,285.12 : 2,091,104.92 = 826,962.24 : x
  2. Step 2: Convert to fraction form
    1,515,285.12/2,091,104.92 = 826,962.24/x
  3. Step 3: Cross multiply
    1,515,285.12x = 2,091,104.92 × 826,962.24
  4. Step 4: Simplify right side
    1,515,285.12x = 1,729,264,808,718.22
  5. Step 5: Solve for x
    x = 1,729,264,808,718.22/1,515,285.12
  6. Step 6: Final answer
    x = 1,141,214.14

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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.