Home / 1,427,487.30-1,969,923.24-815,827.14

Finding the Fourth Proportional to 1,427,487.30, 1,969,923.24 and 815,827.14

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Solution

The fourth proportional to 1,427,487.30, 1,969,923.24 and 815,827.14 is: 1,125,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,487.30 : 1,969,923.24 = 815,827.14 : x
  2. Step 2: Convert to fraction form
    1,427,487.30/1,969,923.24 = 815,827.14/x
  3. Step 3: Cross multiply
    1,427,487.30x = 1,969,923.24 × 815,827.14
  4. Step 4: Simplify right side
    1,427,487.30x = 1,607,116,842,908.73
  5. Step 5: Solve for x
    x = 1,607,116,842,908.73/1,427,487.30
  6. Step 6: Final answer
    x = 1,125,836.18

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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.