Home / 1,008,642.96-1,391,915.04-549,756.11

Finding the Fourth Proportional to 1,008,642.96, 1,391,915.04 and 549,756.11

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Solution

The fourth proportional to 1,008,642.96, 1,391,915.04 and 549,756.11 is: 758,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,642.96 : 1,391,915.04 = 549,756.11 : x
  2. Step 2: Convert to fraction form
    1,008,642.96/1,391,915.04 = 549,756.11/x
  3. Step 3: Cross multiply
    1,008,642.96x = 1,391,915.04 × 549,756.11
  4. Step 4: Simplify right side
    1,008,642.96x = 765,213,803,200.62
  5. Step 5: Solve for x
    x = 765,213,803,200.62/1,008,642.96
  6. Step 6: Final answer
    x = 758,656.76

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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.