Home / 1,425,057.88-1,966,601.27-780,538.18

Finding the Fourth Proportional to 1,425,057.88, 1,966,601.27 and 780,538.18

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Solution

The fourth proportional to 1,425,057.88, 1,966,601.27 and 780,538.18 is: 1,077,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,057.88 : 1,966,601.27 = 780,538.18 : x
  2. Step 2: Convert to fraction form
    1,425,057.88/1,966,601.27 = 780,538.18/x
  3. Step 3: Cross multiply
    1,425,057.88x = 1,966,601.27 × 780,538.18
  4. Step 4: Simplify right side
    1,425,057.88x = 1,535,007,376,071.49
  5. Step 5: Solve for x
    x = 1,535,007,376,071.49/1,425,057.88
  6. Step 6: Final answer
    x = 1,077,154.41

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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.