Home / 1,218,304.68-1,681,240.32-674,429.28

Finding the Fourth Proportional to 1,218,304.68, 1,681,240.32 and 674,429.28

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Solution

The fourth proportional to 1,218,304.68, 1,681,240.32 and 674,429.28 is: 930,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,304.68 : 1,681,240.32 = 674,429.28 : x
  2. Step 2: Convert to fraction form
    1,218,304.68/1,681,240.32 = 674,429.28/x
  3. Step 3: Cross multiply
    1,218,304.68x = 1,681,240.32 × 674,429.28
  4. Step 4: Simplify right side
    1,218,304.68x = 1,133,877,698,524.57
  5. Step 5: Solve for x
    x = 1,133,877,698,524.57/1,218,304.68
  6. Step 6: Final answer
    x = 930,701.26

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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.