Home / 1,284,184.28-1,772,022.38-740,498.70

Finding the Fourth Proportional to 1,284,184.28, 1,772,022.38 and 740,498.70

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Solution

The fourth proportional to 1,284,184.28, 1,772,022.38 and 740,498.70 is: 1,021,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,184.28 : 1,772,022.38 = 740,498.70 : x
  2. Step 2: Convert to fraction form
    1,284,184.28/1,772,022.38 = 740,498.70/x
  3. Step 3: Cross multiply
    1,284,184.28x = 1,772,022.38 × 740,498.70
  4. Step 4: Simplify right side
    1,284,184.28x = 1,312,180,268,760.91
  5. Step 5: Solve for x
    x = 1,312,180,268,760.91/1,284,184.28
  6. Step 6: Final answer
    x = 1,021,800.60

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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.