Home / 1,243,405.10-1,865,107.65-444,712.70

Finding the Fourth Proportional to 1,243,405.10, 1,865,107.65 and 444,712.70

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Solution

The fourth proportional to 1,243,405.10, 1,865,107.65 and 444,712.70 is: 667,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,405.10 : 1,865,107.65 = 444,712.70 : x
  2. Step 2: Convert to fraction form
    1,243,405.10/1,865,107.65 = 444,712.70/x
  3. Step 3: Cross multiply
    1,243,405.10x = 1,865,107.65 × 444,712.70
  4. Step 4: Simplify right side
    1,243,405.10x = 829,437,058,822.16
  5. Step 5: Solve for x
    x = 829,437,058,822.16/1,243,405.10
  6. Step 6: Final answer
    x = 667,069.05

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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.