Home / 1,008,643.60-1,391,915.92-549,756.76

Finding the Fourth Proportional to 1,008,643.60, 1,391,915.92 and 549,756.76

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Solution

The fourth proportional to 1,008,643.60, 1,391,915.92 and 549,756.76 is: 758,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,643.60 : 1,391,915.92 = 549,756.76 : x
  2. Step 2: Convert to fraction form
    1,008,643.60/1,391,915.92 = 549,756.76/x
  3. Step 3: Cross multiply
    1,008,643.60x = 1,391,915.92 × 549,756.76
  4. Step 4: Simplify right side
    1,008,643.60x = 765,215,180,786.43
  5. Step 5: Solve for x
    x = 765,215,180,786.43/1,008,643.60
  6. Step 6: Final answer
    x = 758,657.65

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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.