Home / 1,120,006.60-1,680,228.60-445,973.20

Finding the Fourth Proportional to 1,120,006.60, 1,680,228.60 and 445,973.20

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Solution

The fourth proportional to 1,120,006.60, 1,680,228.60 and 445,973.20 is: 669,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,006.60 : 1,680,228.60 = 445,973.20 : x
  2. Step 2: Convert to fraction form
    1,120,006.60/1,680,228.60 = 445,973.20/x
  3. Step 3: Cross multiply
    1,120,006.60x = 1,680,228.60 × 445,973.20
  4. Step 4: Simplify right side
    1,120,006.60x = 749,336,925,473.52
  5. Step 5: Solve for x
    x = 749,336,925,473.52/1,120,006.60
  6. Step 6: Final answer
    x = 669,046.88

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1.5x scale

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.