Home / 1,230,394.16-1,844,463.72-431,240.06

Finding the Fourth Proportional to 1,230,394.16, 1,844,463.72 and 431,240.06

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Solution

The fourth proportional to 1,230,394.16, 1,844,463.72 and 431,240.06 is: 646,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,394.16 : 1,844,463.72 = 431,240.06 : x
  2. Step 2: Convert to fraction form
    1,230,394.16/1,844,463.72 = 431,240.06/x
  3. Step 3: Cross multiply
    1,230,394.16x = 1,844,463.72 × 431,240.06
  4. Step 4: Simplify right side
    1,230,394.16x = 795,406,645,280.62
  5. Step 5: Solve for x
    x = 795,406,645,280.62/1,230,394.16
  6. Step 6: Final answer
    x = 646,464.91

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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.