Home / 1,422,429.30-2,133,643.95-748,250.10

Finding the Fourth Proportional to 1,422,429.30, 2,133,643.95 and 748,250.10

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Solution

The fourth proportional to 1,422,429.30, 2,133,643.95 and 748,250.10 is: 1,122,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,429.30 : 2,133,643.95 = 748,250.10 : x
  2. Step 2: Convert to fraction form
    1,422,429.30/2,133,643.95 = 748,250.10/x
  3. Step 3: Cross multiply
    1,422,429.30x = 2,133,643.95 × 748,250.10
  4. Step 4: Simplify right side
    1,422,429.30x = 1,596,499,298,951.90
  5. Step 5: Solve for x
    x = 1,596,499,298,951.90/1,422,429.30
  6. Step 6: Final answer
    x = 1,122,375.15

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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.