Home / 992,256.40-1,489,162.20-459,843.40

Finding the Fourth Proportional to 992,256.40, 1,489,162.20 and 459,843.40

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Solution

The fourth proportional to 992,256.40, 1,489,162.20 and 459,843.40 is: 690,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,256.40 : 1,489,162.20 = 459,843.40 : x
  2. Step 2: Convert to fraction form
    992,256.40/1,489,162.20 = 459,843.40/x
  3. Step 3: Cross multiply
    992,256.40x = 1,489,162.20 × 459,843.40
  4. Step 4: Simplify right side
    992,256.40x = 684,781,409,199.48
  5. Step 5: Solve for x
    x = 684,781,409,199.48/992,256.40
  6. Step 6: Final answer
    x = 690,125.46

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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.