Home / 1,126,522.40-1,689,783.19-748,181.75

Finding the Fourth Proportional to 1,126,522.40, 1,689,783.19 and 748,181.75

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Solution

The fourth proportional to 1,126,522.40, 1,689,783.19 and 748,181.75 is: 1,122,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,522.40 : 1,689,783.19 = 748,181.75 : x
  2. Step 2: Convert to fraction form
    1,126,522.40/1,689,783.19 = 748,181.75/x
  3. Step 3: Cross multiply
    1,126,522.40x = 1,689,783.19 × 748,181.75
  4. Step 4: Simplify right side
    1,126,522.40x = 1,264,264,944,214.78
  5. Step 5: Solve for x
    x = 1,264,264,944,214.78/1,126,522.40
  6. Step 6: Final answer
    x = 1,122,272.35

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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.