Home / 1,347,658.38-1,859,772.45-735,816.42

Finding the Fourth Proportional to 1,347,658.38, 1,859,772.45 and 735,816.42

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Solution

The fourth proportional to 1,347,658.38, 1,859,772.45 and 735,816.42 is: 1,015,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,658.38 : 1,859,772.45 = 735,816.42 : x
  2. Step 2: Convert to fraction form
    1,347,658.38/1,859,772.45 = 735,816.42/x
  3. Step 3: Cross multiply
    1,347,658.38x = 1,859,772.45 × 735,816.42
  4. Step 4: Simplify right side
    1,347,658.38x = 1,368,451,106,173.63
  5. Step 5: Solve for x
    x = 1,368,451,106,173.63/1,347,658.38
  6. Step 6: Final answer
    x = 1,015,428.78

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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.