Home / 1,008,026.60-1,512,039.90-756,084.20

Finding the Fourth Proportional to 1,008,026.60, 1,512,039.90 and 756,084.20

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Solution

The fourth proportional to 1,008,026.60, 1,512,039.90 and 756,084.20 is: 1,134,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,026.60 : 1,512,039.90 = 756,084.20 : x
  2. Step 2: Convert to fraction form
    1,008,026.60/1,512,039.90 = 756,084.20/x
  3. Step 3: Cross multiply
    1,008,026.60x = 1,512,039.90 × 756,084.20
  4. Step 4: Simplify right side
    1,008,026.60x = 1,143,229,478,159.58
  5. Step 5: Solve for x
    x = 1,143,229,478,159.58/1,008,026.60
  6. Step 6: Final answer
    x = 1,134,126.30

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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.