Home / 1,425,266.56-1,966,867.04-780,726.72

Finding the Fourth Proportional to 1,425,266.56, 1,966,867.04 and 780,726.72

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Solution

The fourth proportional to 1,425,266.56, 1,966,867.04 and 780,726.72 is: 1,077,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,266.56 : 1,966,867.04 = 780,726.72 : x
  2. Step 2: Convert to fraction form
    1,425,266.56/1,966,867.04 = 780,726.72/x
  3. Step 3: Cross multiply
    1,425,266.56x = 1,966,867.04 × 780,726.72
  4. Step 4: Simplify right side
    1,425,266.56x = 1,535,585,652,815.31
  5. Step 5: Solve for x
    x = 1,535,585,652,815.31/1,425,266.56
  6. Step 6: Final answer
    x = 1,077,402.43

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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.