Home / 1,585,505.66-2,187,082.77-1,011,899.30

Finding the Fourth Proportional to 1,585,505.66, 2,187,082.77 and 1,011,899.30

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Solution

The fourth proportional to 1,585,505.66, 2,187,082.77 and 1,011,899.30 is: 1,395,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,505.66 : 2,187,082.77 = 1,011,899.30 : x
  2. Step 2: Convert to fraction form
    1,585,505.66/2,187,082.77 = 1,011,899.30/x
  3. Step 3: Cross multiply
    1,585,505.66x = 2,187,082.77 × 1,011,899.30
  4. Step 4: Simplify right side
    1,585,505.66x = 2,213,107,524,005.06
  5. Step 5: Solve for x
    x = 2,213,107,524,005.06/1,585,505.66
  6. Step 6: Final answer
    x = 1,395,837.04

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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.