Home / 1,323,997.60-1,984,441.20-612,522.76

Finding the Fourth Proportional to 1,323,997.60, 1,984,441.20 and 612,522.76

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Solution

The fourth proportional to 1,323,997.60, 1,984,441.20 and 612,522.76 is: 918,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,997.60 : 1,984,441.20 = 612,522.76 : x
  2. Step 2: Convert to fraction form
    1,323,997.60/1,984,441.20 = 612,522.76/x
  3. Step 3: Cross multiply
    1,323,997.60x = 1,984,441.20 × 612,522.76
  4. Step 4: Simplify right side
    1,323,997.60x = 1,215,515,400,881.71
  5. Step 5: Solve for x
    x = 1,215,515,400,881.71/1,323,997.60
  6. Step 6: Final answer
    x = 918,064.66

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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.