Home / 1,515,140.66-2,091,331.37-895,519.82

Finding the Fourth Proportional to 1,515,140.66, 2,091,331.37 and 895,519.82

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Solution

The fourth proportional to 1,515,140.66, 2,091,331.37 and 895,519.82 is: 1,236,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,140.66 : 2,091,331.37 = 895,519.82 : x
  2. Step 2: Convert to fraction form
    1,515,140.66/2,091,331.37 = 895,519.82/x
  3. Step 3: Cross multiply
    1,515,140.66x = 2,091,331.37 × 895,519.82
  4. Step 4: Simplify right side
    1,515,140.66x = 1,872,828,692,022.75
  5. Step 5: Solve for x
    x = 1,872,828,692,022.75/1,515,140.66
  6. Step 6: Final answer
    x = 1,236,075.79

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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.