Home / 1,230,400.16-1,844,472.72-431,246.06

Finding the Fourth Proportional to 1,230,400.16, 1,844,472.72 and 431,246.06

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Solution

The fourth proportional to 1,230,400.16, 1,844,472.72 and 431,246.06 is: 646,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,400.16 : 1,844,472.72 = 431,246.06 : x
  2. Step 2: Convert to fraction form
    1,230,400.16/1,844,472.72 = 431,246.06/x
  3. Step 3: Cross multiply
    1,230,400.16x = 1,844,472.72 × 431,246.06
  4. Step 4: Simplify right side
    1,230,400.16x = 795,421,593,277.48
  5. Step 5: Solve for x
    x = 795,421,593,277.48/1,230,400.16
  6. Step 6: Final answer
    x = 646,473.90

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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.