Home / 1,427,778.74-2,142,322.12-618,410.71

Finding the Fourth Proportional to 1,427,778.74, 2,142,322.12 and 618,410.71

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Solution

The fourth proportional to 1,427,778.74, 2,142,322.12 and 618,410.71 is: 927,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,778.74 : 2,142,322.12 = 618,410.71 : x
  2. Step 2: Convert to fraction form
    1,427,778.74/2,142,322.12 = 618,410.71/x
  3. Step 3: Cross multiply
    1,427,778.74x = 2,142,322.12 × 618,410.71
  4. Step 4: Simplify right side
    1,427,778.74x = 1,324,834,932,566.29
  5. Step 5: Solve for x
    x = 1,324,834,932,566.29/1,427,778.74
  6. Step 6: Final answer
    x = 927,899.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.