Home / 1,690,161.34-2,332,441.02-926,198.50

Finding the Fourth Proportional to 1,690,161.34, 2,332,441.02 and 926,198.50

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Solution

The fourth proportional to 1,690,161.34, 2,332,441.02 and 926,198.50 is: 1,278,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,161.34 : 2,332,441.02 = 926,198.50 : x
  2. Step 2: Convert to fraction form
    1,690,161.34/2,332,441.02 = 926,198.50/x
  3. Step 3: Cross multiply
    1,690,161.34x = 2,332,441.02 × 926,198.50
  4. Step 4: Simplify right side
    1,690,161.34x = 2,160,303,374,062.47
  5. Step 5: Solve for x
    x = 2,160,303,374,062.47/1,690,161.34
  6. Step 6: Final answer
    x = 1,278,164.00

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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.