Home / 1,292,871.83-1,938,658.86-753,302.48

Finding the Fourth Proportional to 1,292,871.83, 1,938,658.86 and 753,302.48

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Solution

The fourth proportional to 1,292,871.83, 1,938,658.86 and 753,302.48 is: 1,129,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,871.83 : 1,938,658.86 = 753,302.48 : x
  2. Step 2: Convert to fraction form
    1,292,871.83/1,938,658.86 = 753,302.48/x
  3. Step 3: Cross multiply
    1,292,871.83x = 1,938,658.86 × 753,302.48
  4. Step 4: Simplify right side
    1,292,871.83x = 1,460,396,517,418.68
  5. Step 5: Solve for x
    x = 1,460,396,517,418.68/1,292,871.83
  6. Step 6: Final answer
    x = 1,129,575.64

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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.