Home / 1,425,398.01-1,967,049.60-780,841.11

Finding the Fourth Proportional to 1,425,398.01, 1,967,049.60 and 780,841.11

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Solution

The fourth proportional to 1,425,398.01, 1,967,049.60 and 780,841.11 is: 1,077,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,398.01 : 1,967,049.60 = 780,841.11 : x
  2. Step 2: Convert to fraction form
    1,425,398.01/1,967,049.60 = 780,841.11/x
  3. Step 3: Cross multiply
    1,425,398.01x = 1,967,049.60 × 780,841.11
  4. Step 4: Simplify right side
    1,425,398.01x = 1,535,953,193,089.06
  5. Step 5: Solve for x
    x = 1,535,953,193,089.06/1,425,398.01
  6. Step 6: Final answer
    x = 1,077,560.92

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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.