Home / 1,008,365.76-1,391,526.90-549,484.38

Finding the Fourth Proportional to 1,008,365.76, 1,391,526.90 and 549,484.38

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Solution

The fourth proportional to 1,008,365.76, 1,391,526.90 and 549,484.38 is: 758,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,365.76 : 1,391,526.90 = 549,484.38 : x
  2. Step 2: Convert to fraction form
    1,008,365.76/1,391,526.90 = 549,484.38/x
  3. Step 3: Cross multiply
    1,008,365.76x = 1,391,526.90 × 549,484.38
  4. Step 4: Simplify right side
    1,008,365.76x = 764,622,295,899.82
  5. Step 5: Solve for x
    x = 764,622,295,899.82/1,008,365.76
  6. Step 6: Final answer
    x = 758,278.72

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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.