Home / 1,040,926.80-1,561,390.72-292,972.80

Finding the Fourth Proportional to 1,040,926.80, 1,561,390.72 and 292,972.80

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Solution

The fourth proportional to 1,040,926.80, 1,561,390.72 and 292,972.80 is: 439,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,926.80 : 1,561,390.72 = 292,972.80 : x
  2. Step 2: Convert to fraction form
    1,040,926.80/1,561,390.72 = 292,972.80/x
  3. Step 3: Cross multiply
    1,040,926.80x = 1,561,390.72 × 292,972.80
  4. Step 4: Simplify right side
    1,040,926.80x = 457,445,011,132.42
  5. Step 5: Solve for x
    x = 457,445,011,132.42/1,040,926.80
  6. Step 6: Final answer
    x = 439,459.35

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1.5x scale

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.