Home / 1,690,319.90-2,332,628.07-926,371.64

Finding the Fourth Proportional to 1,690,319.90, 2,332,628.07 and 926,371.64

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Solution

The fourth proportional to 1,690,319.90, 2,332,628.07 and 926,371.64 is: 1,278,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,319.90 : 2,332,628.07 = 926,371.64 : x
  2. Step 2: Convert to fraction form
    1,690,319.90/2,332,628.07 = 926,371.64/x
  3. Step 3: Cross multiply
    1,690,319.90x = 2,332,628.07 × 926,371.64
  4. Step 4: Simplify right side
    1,690,319.90x = 2,160,880,490,715.93
  5. Step 5: Solve for x
    x = 2,160,880,490,715.93/1,690,319.90
  6. Step 6: Final answer
    x = 1,278,385.52

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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.