Home / 1,690,674.70-2,333,220.51-926,760.46

Finding the Fourth Proportional to 1,690,674.70, 2,333,220.51 and 926,760.46

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Solution

The fourth proportional to 1,690,674.70, 2,333,220.51 and 926,760.46 is: 1,278,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,674.70 : 2,333,220.51 = 926,760.46 : x
  2. Step 2: Convert to fraction form
    1,690,674.70/2,333,220.51 = 926,760.46/x
  3. Step 3: Cross multiply
    1,690,674.70x = 2,333,220.51 × 926,760.46
  4. Step 4: Simplify right side
    1,690,674.70x = 2,162,336,513,129.03
  5. Step 5: Solve for x
    x = 2,162,336,513,129.03/1,690,674.70
  6. Step 6: Final answer
    x = 1,278,978.45

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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.