Home / 1,347,228.80-1,859,380.08-838,095.20

Finding the Fourth Proportional to 1,347,228.80, 1,859,380.08 and 838,095.20

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Solution

The fourth proportional to 1,347,228.80, 1,859,380.08 and 838,095.20 is: 1,156,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,228.80 : 1,859,380.08 = 838,095.20 : x
  2. Step 2: Convert to fraction form
    1,347,228.80/1,859,380.08 = 838,095.20/x
  3. Step 3: Cross multiply
    1,347,228.80x = 1,859,380.08 × 838,095.20
  4. Step 4: Simplify right side
    1,347,228.80x = 1,558,337,520,023.62
  5. Step 5: Solve for x
    x = 1,558,337,520,023.62/1,347,228.80
  6. Step 6: Final answer
    x = 1,156,698.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.