Home / 1,663,426.35-2,295,542.09-918,376.20

Finding the Fourth Proportional to 1,663,426.35, 2,295,542.09 and 918,376.20

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Solution

The fourth proportional to 1,663,426.35, 2,295,542.09 and 918,376.20 is: 1,267,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,426.35 : 2,295,542.09 = 918,376.20 : x
  2. Step 2: Convert to fraction form
    1,663,426.35/2,295,542.09 = 918,376.20/x
  3. Step 3: Cross multiply
    1,663,426.35x = 2,295,542.09 × 918,376.20
  4. Step 4: Simplify right side
    1,663,426.35x = 2,108,171,223,850.20
  5. Step 5: Solve for x
    x = 2,108,171,223,850.20/1,663,426.35
  6. Step 6: Final answer
    x = 1,267,366.74

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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.