Home / 1,488,386.13-2,229,769.77-879,357.18

Finding the Fourth Proportional to 1,488,386.13, 2,229,769.77 and 879,357.18

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Solution

The fourth proportional to 1,488,386.13, 2,229,769.77 and 879,357.18 is: 1,317,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,386.13 : 2,229,769.77 = 879,357.18 : x
  2. Step 2: Convert to fraction form
    1,488,386.13/2,229,769.77 = 879,357.18/x
  3. Step 3: Cross multiply
    1,488,386.13x = 2,229,769.77 × 879,357.18
  4. Step 4: Simplify right side
    1,488,386.13x = 1,960,764,062,570.87
  5. Step 5: Solve for x
    x = 1,960,764,062,570.87/1,488,386.13
  6. Step 6: Final answer
    x = 1,317,375.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.