Home / 1,690,903.20-2,333,535.84-926,988.96

Finding the Fourth Proportional to 1,690,903.20, 2,333,535.84 and 926,988.96

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Solution

The fourth proportional to 1,690,903.20, 2,333,535.84 and 926,988.96 is: 1,279,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,903.20 : 2,333,535.84 = 926,988.96 : x
  2. Step 2: Convert to fraction form
    1,690,903.20/2,333,535.84 = 926,988.96/x
  3. Step 3: Cross multiply
    1,690,903.20x = 2,333,535.84 × 926,988.96
  4. Step 4: Simplify right side
    1,690,903.20x = 2,163,161,961,444.33
  5. Step 5: Solve for x
    x = 2,163,161,961,444.33/1,690,903.20
  6. Step 6: Final answer
    x = 1,279,293.79

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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.