Home / 1,628,463.40-2,442,695.10-1,124,578.60

Finding the Fourth Proportional to 1,628,463.40, 2,442,695.10 and 1,124,578.60

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Solution

The fourth proportional to 1,628,463.40, 2,442,695.10 and 1,124,578.60 is: 1,686,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,463.40 : 2,442,695.10 = 1,124,578.60 : x
  2. Step 2: Convert to fraction form
    1,628,463.40/2,442,695.10 = 1,124,578.60/x
  3. Step 3: Cross multiply
    1,628,463.40x = 2,442,695.10 × 1,124,578.60
  4. Step 4: Simplify right side
    1,628,463.40x = 2,747,002,635,784.86
  5. Step 5: Solve for x
    x = 2,747,002,635,784.86/1,628,463.40
  6. Step 6: Final answer
    x = 1,686,867.90

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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.