Home / 1,498,457.20-2,247,685.80-487,674.40

Finding the Fourth Proportional to 1,498,457.20, 2,247,685.80 and 487,674.40

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Solution

The fourth proportional to 1,498,457.20, 2,247,685.80 and 487,674.40 is: 731,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,457.20 : 2,247,685.80 = 487,674.40 : x
  2. Step 2: Convert to fraction form
    1,498,457.20/2,247,685.80 = 487,674.40/x
  3. Step 3: Cross multiply
    1,498,457.20x = 2,247,685.80 × 487,674.40
  4. Step 4: Simplify right side
    1,498,457.20x = 1,096,138,823,903.52
  5. Step 5: Solve for x
    x = 1,096,138,823,903.52/1,498,457.20
  6. Step 6: Final answer
    x = 731,511.60

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Double scale
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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.