Home / 1,097,412.20-1,645,340.70-498,660.20

Finding the Fourth Proportional to 1,097,412.20, 1,645,340.70 and 498,660.20

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Solution

The fourth proportional to 1,097,412.20, 1,645,340.70 and 498,660.20 is: 747,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,412.20 : 1,645,340.70 = 498,660.20 : x
  2. Step 2: Convert to fraction form
    1,097,412.20/1,645,340.70 = 498,660.20/x
  3. Step 3: Cross multiply
    1,097,412.20x = 1,645,340.70 × 498,660.20
  4. Step 4: Simplify right side
    1,097,412.20x = 820,465,922,530.14
  5. Step 5: Solve for x
    x = 820,465,922,530.14/1,097,412.20
  6. Step 6: Final answer
    x = 747,636.96

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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.