Home / 1,425,518.22-1,967,132.48-780,826.17

Finding the Fourth Proportional to 1,425,518.22, 1,967,132.48 and 780,826.17

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Solution

The fourth proportional to 1,425,518.22, 1,967,132.48 and 780,826.17 is: 1,077,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,518.22 : 1,967,132.48 = 780,826.17 : x
  2. Step 2: Convert to fraction form
    1,425,518.22/1,967,132.48 = 780,826.17/x
  3. Step 3: Cross multiply
    1,425,518.22x = 1,967,132.48 × 780,826.17
  4. Step 4: Simplify right side
    1,425,518.22x = 1,535,988,516,336.87
  5. Step 5: Solve for x
    x = 1,535,988,516,336.87/1,425,518.22
  6. Step 6: Final answer
    x = 1,077,494.83

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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.