Home / 1,230,753.60-1,848,031.20-670,881.60

Finding the Fourth Proportional to 1,230,753.60, 1,848,031.20 and 670,881.60

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Solution

The fourth proportional to 1,230,753.60, 1,848,031.20 and 670,881.60 is: 1,007,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,753.60 : 1,848,031.20 = 670,881.60 : x
  2. Step 2: Convert to fraction form
    1,230,753.60/1,848,031.20 = 670,881.60/x
  3. Step 3: Cross multiply
    1,230,753.60x = 1,848,031.20 × 670,881.60
  4. Step 4: Simplify right side
    1,230,753.60x = 1,239,810,128,305.92
  5. Step 5: Solve for x
    x = 1,239,810,128,305.92/1,230,753.60
  6. Step 6: Final answer
    x = 1,007,358.52

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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.