Home / 1,008,445.68-1,391,655.33-549,560.38

Finding the Fourth Proportional to 1,008,445.68, 1,391,655.33 and 549,560.38

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Solution

The fourth proportional to 1,008,445.68, 1,391,655.33 and 549,560.38 is: 758,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,445.68 : 1,391,655.33 = 549,560.38 : x
  2. Step 2: Convert to fraction form
    1,008,445.68/1,391,655.33 = 549,560.38/x
  3. Step 3: Cross multiply
    1,008,445.68x = 1,391,655.33 × 549,560.38
  4. Step 4: Simplify right side
    1,008,445.68x = 764,798,630,609.93
  5. Step 5: Solve for x
    x = 764,798,630,609.93/1,008,445.68
  6. Step 6: Final answer
    x = 758,393.48

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1.5x scale

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.