Home / 1,690,381.24-2,332,735.02-926,441.40

Finding the Fourth Proportional to 1,690,381.24, 2,332,735.02 and 926,441.40

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Solution

The fourth proportional to 1,690,381.24, 2,332,735.02 and 926,441.40 is: 1,278,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,381.24 : 2,332,735.02 = 926,441.40 : x
  2. Step 2: Convert to fraction form
    1,690,381.24/2,332,735.02 = 926,441.40/x
  3. Step 3: Cross multiply
    1,690,381.24x = 2,332,735.02 × 926,441.40
  4. Step 4: Simplify right side
    1,690,381.24x = 2,161,142,297,757.83
  5. Step 5: Solve for x
    x = 2,161,142,297,757.83/1,690,381.24
  6. Step 6: Final answer
    x = 1,278,494.01

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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.