Home / 1,292,872.12-1,938,659.36-753,302.77

Finding the Fourth Proportional to 1,292,872.12, 1,938,659.36 and 753,302.77

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Solution

The fourth proportional to 1,292,872.12, 1,938,659.36 and 753,302.77 is: 1,129,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,872.12 : 1,938,659.36 = 753,302.77 : x
  2. Step 2: Convert to fraction form
    1,292,872.12/1,938,659.36 = 753,302.77/x
  3. Step 3: Cross multiply
    1,292,872.12x = 1,938,659.36 × 753,302.77
  4. Step 4: Simplify right side
    1,292,872.12x = 1,460,397,465,974.43
  5. Step 5: Solve for x
    x = 1,460,397,465,974.43/1,292,872.12
  6. Step 6: Final answer
    x = 1,129,576.11

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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.