Home / 1,488,439.69-2,229,842.35-879,406.66

Finding the Fourth Proportional to 1,488,439.69, 2,229,842.35 and 879,406.66

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Solution

The fourth proportional to 1,488,439.69, 2,229,842.35 and 879,406.66 is: 1,317,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,439.69 : 2,229,842.35 = 879,406.66 : x
  2. Step 2: Convert to fraction form
    1,488,439.69/2,229,842.35 = 879,406.66/x
  3. Step 3: Cross multiply
    1,488,439.69x = 2,229,842.35 × 879,406.66
  4. Step 4: Simplify right side
    1,488,439.69x = 1,960,938,213,340.05
  5. Step 5: Solve for x
    x = 1,960,938,213,340.05/1,488,439.69
  6. Step 6: Final answer
    x = 1,317,445.53

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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.