Home / 1,167,819.60-1,611,591.48-631,275.60

Finding the Fourth Proportional to 1,167,819.60, 1,611,591.48 and 631,275.60

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Solution

The fourth proportional to 1,167,819.60, 1,611,591.48 and 631,275.60 is: 871,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,819.60 : 1,611,591.48 = 631,275.60 : x
  2. Step 2: Convert to fraction form
    1,167,819.60/1,611,591.48 = 631,275.60/x
  3. Step 3: Cross multiply
    1,167,819.60x = 1,611,591.48 × 631,275.60
  4. Step 4: Simplify right side
    1,167,819.60x = 1,017,358,378,491.89
  5. Step 5: Solve for x
    x = 1,017,358,378,491.89/1,167,819.60
  6. Step 6: Final answer
    x = 871,160.56

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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.