Home / 1,119,340.09-1,544,744.13-629,463.78

Finding the Fourth Proportional to 1,119,340.09, 1,544,744.13 and 629,463.78

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Solution

The fourth proportional to 1,119,340.09, 1,544,744.13 and 629,463.78 is: 868,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,340.09 : 1,544,744.13 = 629,463.78 : x
  2. Step 2: Convert to fraction form
    1,119,340.09/1,544,744.13 = 629,463.78/x
  3. Step 3: Cross multiply
    1,119,340.09x = 1,544,744.13 × 629,463.78
  4. Step 4: Simplify right side
    1,119,340.09x = 972,360,482,071.93
  5. Step 5: Solve for x
    x = 972,360,482,071.93/1,119,340.09
  6. Step 6: Final answer
    x = 868,690.84

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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.