Home / 1,690,663-2,333,115.48-926,721.76

Finding the Fourth Proportional to 1,690,663, 2,333,115.48 and 926,721.76

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Solution

The fourth proportional to 1,690,663, 2,333,115.48 and 926,721.76 is: 1,278,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,663 : 2,333,115.48 = 926,721.76 : x
  2. Step 2: Convert to fraction form
    1,690,663/2,333,115.48 = 926,721.76/x
  3. Step 3: Cross multiply
    1,690,663x = 2,333,115.48 × 926,721.76
  4. Step 4: Simplify right side
    1,690,663x = 2,162,148,883,908.84
  5. Step 5: Solve for x
    x = 2,162,148,883,908.84/1,690,663
  6. Step 6: Final answer
    x = 1,278,876.32

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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.