Home / 1,008,281.60-1,512,422.40-534,723.20

Finding the Fourth Proportional to 1,008,281.60, 1,512,422.40 and 534,723.20

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Solution

The fourth proportional to 1,008,281.60, 1,512,422.40 and 534,723.20 is: 802,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,281.60 : 1,512,422.40 = 534,723.20 : x
  2. Step 2: Convert to fraction form
    1,008,281.60/1,512,422.40 = 534,723.20/x
  3. Step 3: Cross multiply
    1,008,281.60x = 1,512,422.40 × 534,723.20
  4. Step 4: Simplify right side
    1,008,281.60x = 808,727,345,479.68
  5. Step 5: Solve for x
    x = 808,727,345,479.68/1,008,281.60
  6. Step 6: Final answer
    x = 802,084.80

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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.