Home / 1,542,589.60-2,128,711.44-898,028.32

Finding the Fourth Proportional to 1,542,589.60, 2,128,711.44 and 898,028.32

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Solution

The fourth proportional to 1,542,589.60, 2,128,711.44 and 898,028.32 is: 1,239,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,589.60 : 2,128,711.44 = 898,028.32 : x
  2. Step 2: Convert to fraction form
    1,542,589.60/2,128,711.44 = 898,028.32/x
  3. Step 3: Cross multiply
    1,542,589.60x = 2,128,711.44 × 898,028.32
  4. Step 4: Simplify right side
    1,542,589.60x = 1,911,643,158,227.98
  5. Step 5: Solve for x
    x = 1,911,643,158,227.98/1,542,589.60
  6. Step 6: Final answer
    x = 1,239,242.87

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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.