Home / 1,265,534.88-1,747,253.22-1,129,334.61

Finding the Fourth Proportional to 1,265,534.88, 1,747,253.22 and 1,129,334.61

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Solution

The fourth proportional to 1,265,534.88, 1,747,253.22 and 1,129,334.61 is: 1,559,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,534.88 : 1,747,253.22 = 1,129,334.61 : x
  2. Step 2: Convert to fraction form
    1,265,534.88/1,747,253.22 = 1,129,334.61/x
  3. Step 3: Cross multiply
    1,265,534.88x = 1,747,253.22 × 1,129,334.61
  4. Step 4: Simplify right side
    1,265,534.88x = 1,973,233,533,779.94
  5. Step 5: Solve for x
    x = 1,973,233,533,779.94/1,265,534.88
  6. Step 6: Final answer
    x = 1,559,209.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.