Home / 912,022.20-1,368,033.30-817,543.80

Finding the Fourth Proportional to 912,022.20, 1,368,033.30 and 817,543.80

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Solution

The fourth proportional to 912,022.20, 1,368,033.30 and 817,543.80 is: 1,226,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,022.20 : 1,368,033.30 = 817,543.80 : x
  2. Step 2: Convert to fraction form
    912,022.20/1,368,033.30 = 817,543.80/x
  3. Step 3: Cross multiply
    912,022.20x = 1,368,033.30 × 817,543.80
  4. Step 4: Simplify right side
    912,022.20x = 1,118,427,142,608.54
  5. Step 5: Solve for x
    x = 1,118,427,142,608.54/912,022.20
  6. Step 6: Final answer
    x = 1,226,315.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.