Home / 1,008,239.40-1,391,352.78-549,357.77

Finding the Fourth Proportional to 1,008,239.40, 1,391,352.78 and 549,357.77

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Solution

The fourth proportional to 1,008,239.40, 1,391,352.78 and 549,357.77 is: 758,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,239.40 : 1,391,352.78 = 549,357.77 : x
  2. Step 2: Convert to fraction form
    1,008,239.40/1,391,352.78 = 549,357.77/x
  3. Step 3: Cross multiply
    1,008,239.40x = 1,391,352.78 × 549,357.77
  4. Step 4: Simplify right side
    1,008,239.40x = 764,350,461,356.83
  5. Step 5: Solve for x
    x = 764,350,461,356.83/1,008,239.40
  6. Step 6: Final answer
    x = 758,104.14

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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.