Home / 1,512,419.40-2,268,629.10-614,291.40

Finding the Fourth Proportional to 1,512,419.40, 2,268,629.10 and 614,291.40

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Solution

The fourth proportional to 1,512,419.40, 2,268,629.10 and 614,291.40 is: 921,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,419.40 : 2,268,629.10 = 614,291.40 : x
  2. Step 2: Convert to fraction form
    1,512,419.40/2,268,629.10 = 614,291.40/x
  3. Step 3: Cross multiply
    1,512,419.40x = 2,268,629.10 × 614,291.40
  4. Step 4: Simplify right side
    1,512,419.40x = 1,393,599,345,919.74
  5. Step 5: Solve for x
    x = 1,393,599,345,919.74/1,512,419.40
  6. Step 6: Final answer
    x = 921,437.10

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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.