Home / 1,353,168.40-2,029,752.60-839,442.10

Finding the Fourth Proportional to 1,353,168.40, 2,029,752.60 and 839,442.10

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Solution

The fourth proportional to 1,353,168.40, 2,029,752.60 and 839,442.10 is: 1,259,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,168.40 : 2,029,752.60 = 839,442.10 : x
  2. Step 2: Convert to fraction form
    1,353,168.40/2,029,752.60 = 839,442.10/x
  3. Step 3: Cross multiply
    1,353,168.40x = 2,029,752.60 × 839,442.10
  4. Step 4: Simplify right side
    1,353,168.40x = 1,703,859,785,024.46
  5. Step 5: Solve for x
    x = 1,703,859,785,024.46/1,353,168.40
  6. Step 6: Final answer
    x = 1,259,163.15

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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.