Home / 1,542,931.20-2,314,886.40-744,284.16

Finding the Fourth Proportional to 1,542,931.20, 2,314,886.40 and 744,284.16

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Solution

The fourth proportional to 1,542,931.20, 2,314,886.40 and 744,284.16 is: 1,116,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,931.20 : 2,314,886.40 = 744,284.16 : x
  2. Step 2: Convert to fraction form
    1,542,931.20/2,314,886.40 = 744,284.16/x
  3. Step 3: Cross multiply
    1,542,931.20x = 2,314,886.40 × 744,284.16
  4. Step 4: Simplify right side
    1,542,931.20x = 1,722,933,279,719.42
  5. Step 5: Solve for x
    x = 1,722,933,279,719.42/1,542,931.20
  6. Step 6: Final answer
    x = 1,116,662.41

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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.