Home / 1,008,281.72-1,391,412.44-549,402.41

Finding the Fourth Proportional to 1,008,281.72, 1,391,412.44 and 549,402.41

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Solution

The fourth proportional to 1,008,281.72, 1,391,412.44 and 549,402.41 is: 758,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,281.72 : 1,391,412.44 = 549,402.41 : x
  2. Step 2: Convert to fraction form
    1,008,281.72/1,391,412.44 = 549,402.41/x
  3. Step 3: Cross multiply
    1,008,281.72x = 1,391,412.44 × 549,402.41
  4. Step 4: Simplify right side
    1,008,281.72x = 764,445,338,135.91
  5. Step 5: Solve for x
    x = 764,445,338,135.91/1,008,281.72
  6. Step 6: Final answer
    x = 758,166.42

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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.