Home / 1,449,415.80-2,174,123.70-917,537.40

Finding the Fourth Proportional to 1,449,415.80, 2,174,123.70 and 917,537.40

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Solution

The fourth proportional to 1,449,415.80, 2,174,123.70 and 917,537.40 is: 1,376,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,415.80 : 2,174,123.70 = 917,537.40 : x
  2. Step 2: Convert to fraction form
    1,449,415.80/2,174,123.70 = 917,537.40/x
  3. Step 3: Cross multiply
    1,449,415.80x = 2,174,123.70 × 917,537.40
  4. Step 4: Simplify right side
    1,449,415.80x = 1,994,839,806,976.38
  5. Step 5: Solve for x
    x = 1,994,839,806,976.38/1,449,415.80
  6. Step 6: Final answer
    x = 1,376,306.10

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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.