Home / 1,087,643.10-1,631,464.65-930,179.10

Finding the Fourth Proportional to 1,087,643.10, 1,631,464.65 and 930,179.10

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Solution

The fourth proportional to 1,087,643.10, 1,631,464.65 and 930,179.10 is: 1,395,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,643.10 : 1,631,464.65 = 930,179.10 : x
  2. Step 2: Convert to fraction form
    1,087,643.10/1,631,464.65 = 930,179.10/x
  3. Step 3: Cross multiply
    1,087,643.10x = 1,631,464.65 × 930,179.10
  4. Step 4: Simplify right side
    1,087,643.10x = 1,517,554,319,818.82
  5. Step 5: Solve for x
    x = 1,517,554,319,818.82/1,087,643.10
  6. Step 6: Final answer
    x = 1,395,268.65

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Similar ratio
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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.