Home / 920,288.87-1,267,182.00-917,631.66

Finding the Fourth Proportional to 920,288.87, 1,267,182.00 and 917,631.66

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Solution

The fourth proportional to 920,288.87, 1,267,182.00 and 917,631.66 is: 1,263,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,288.87 : 1,267,182.00 = 917,631.66 : x
  2. Step 2: Convert to fraction form
    920,288.87/1,267,182.00 = 917,631.66/x
  3. Step 3: Cross multiply
    920,288.87x = 1,267,182.00 × 917,631.66
  4. Step 4: Simplify right side
    920,288.87x = 1,162,806,317,593.96
  5. Step 5: Solve for x
    x = 1,162,806,317,593.96/920,288.87
  6. Step 6: Final answer
    x = 1,263,523.18

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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.