Home / 839,256.20-1,258,884.30-725,094.80

Finding the Fourth Proportional to 839,256.20, 1,258,884.30 and 725,094.80

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Solution

The fourth proportional to 839,256.20, 1,258,884.30 and 725,094.80 is: 1,087,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,256.20 : 1,258,884.30 = 725,094.80 : x
  2. Step 2: Convert to fraction form
    839,256.20/1,258,884.30 = 725,094.80/x
  3. Step 3: Cross multiply
    839,256.20x = 1,258,884.30 × 725,094.80
  4. Step 4: Simplify right side
    839,256.20x = 912,810,459,731.64
  5. Step 5: Solve for x
    x = 912,810,459,731.64/839,256.20
  6. Step 6: Final answer
    x = 1,087,642.20

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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.