Home / 1,461,100.28-2,016,312.55-816,520.30

Finding the Fourth Proportional to 1,461,100.28, 2,016,312.55 and 816,520.30

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Solution

The fourth proportional to 1,461,100.28, 2,016,312.55 and 816,520.30 is: 1,126,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,100.28 : 2,016,312.55 = 816,520.30 : x
  2. Step 2: Convert to fraction form
    1,461,100.28/2,016,312.55 = 816,520.30/x
  3. Step 3: Cross multiply
    1,461,100.28x = 2,016,312.55 × 816,520.30
  4. Step 4: Simplify right side
    1,461,100.28x = 1,646,360,121,137.68
  5. Step 5: Solve for x
    x = 1,646,360,121,137.68/1,461,100.28
  6. Step 6: Final answer
    x = 1,126,794.75

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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.