Home / 1,240,735.60-1,861,103.40-442,043.20

Finding the Fourth Proportional to 1,240,735.60, 1,861,103.40 and 442,043.20

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Solution

The fourth proportional to 1,240,735.60, 1,861,103.40 and 442,043.20 is: 663,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,735.60 : 1,861,103.40 = 442,043.20 : x
  2. Step 2: Convert to fraction form
    1,240,735.60/1,861,103.40 = 442,043.20/x
  3. Step 3: Cross multiply
    1,240,735.60x = 1,861,103.40 × 442,043.20
  4. Step 4: Simplify right side
    1,240,735.60x = 822,688,102,466.88
  5. Step 5: Solve for x
    x = 822,688,102,466.88/1,240,735.60
  6. Step 6: Final answer
    x = 663,064.80

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Similar ratio
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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.