Home / 1,414,931.40-2,120,453.10-907,936.20

Finding the Fourth Proportional to 1,414,931.40, 2,120,453.10 and 907,936.20

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Solution

The fourth proportional to 1,414,931.40, 2,120,453.10 and 907,936.20 is: 1,360,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,931.40 : 2,120,453.10 = 907,936.20 : x
  2. Step 2: Convert to fraction form
    1,414,931.40/2,120,453.10 = 907,936.20/x
  3. Step 3: Cross multiply
    1,414,931.40x = 2,120,453.10 × 907,936.20
  4. Step 4: Simplify right side
    1,414,931.40x = 1,925,236,129,892.22
  5. Step 5: Solve for x
    x = 1,925,236,129,892.22/1,414,931.40
  6. Step 6: Final answer
    x = 1,360,656.87

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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.