Home / 1,008,492.78-1,391,720.25-549,607.44

Finding the Fourth Proportional to 1,008,492.78, 1,391,720.25 and 549,607.44

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Solution

The fourth proportional to 1,008,492.78, 1,391,720.25 and 549,607.44 is: 758,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,492.78 : 1,391,720.25 = 549,607.44 : x
  2. Step 2: Convert to fraction form
    1,008,492.78/1,391,720.25 = 549,607.44/x
  3. Step 3: Cross multiply
    1,008,492.78x = 1,391,720.25 × 549,607.44
  4. Step 4: Simplify right side
    1,008,492.78x = 764,899,803,798.66
  5. Step 5: Solve for x
    x = 764,899,803,798.66/1,008,492.78
  6. Step 6: Final answer
    x = 758,458.38

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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.