Home / 1,488,875.71-2,232,412.63-668,063.86

Finding the Fourth Proportional to 1,488,875.71, 2,232,412.63 and 668,063.86

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Solution

The fourth proportional to 1,488,875.71, 2,232,412.63 and 668,063.86 is: 1,001,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,875.71 : 2,232,412.63 = 668,063.86 : x
  2. Step 2: Convert to fraction form
    1,488,875.71/2,232,412.63 = 668,063.86/x
  3. Step 3: Cross multiply
    1,488,875.71x = 2,232,412.63 × 668,063.86
  4. Step 4: Simplify right side
    1,488,875.71x = 1,491,394,193,659.19
  5. Step 5: Solve for x
    x = 1,491,394,193,659.19/1,488,875.71
  6. Step 6: Final answer
    x = 1,001,691.53

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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.