Home / 1,107,390.20-1,660,998.90-433,340.60

Finding the Fourth Proportional to 1,107,390.20, 1,660,998.90 and 433,340.60

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Solution

The fourth proportional to 1,107,390.20, 1,660,998.90 and 433,340.60 is: 649,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,390.20 : 1,660,998.90 = 433,340.60 : x
  2. Step 2: Convert to fraction form
    1,107,390.20/1,660,998.90 = 433,340.60/x
  3. Step 3: Cross multiply
    1,107,390.20x = 1,660,998.90 × 433,340.60
  4. Step 4: Simplify right side
    1,107,390.20x = 719,778,259,925.34
  5. Step 5: Solve for x
    x = 719,778,259,925.34/1,107,390.20
  6. Step 6: Final answer
    x = 649,977.09

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Double scale
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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.