Home / 1,141,744.32-1,712,856.96-431,756.64

Finding the Fourth Proportional to 1,141,744.32, 1,712,856.96 and 431,756.64

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Solution

The fourth proportional to 1,141,744.32, 1,712,856.96 and 431,756.64 is: 647,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,744.32 : 1,712,856.96 = 431,756.64 : x
  2. Step 2: Convert to fraction form
    1,141,744.32/1,712,856.96 = 431,756.64/x
  3. Step 3: Cross multiply
    1,141,744.32x = 1,712,856.96 × 431,756.64
  4. Step 4: Simplify right side
    1,141,744.32x = 739,537,365,850.21
  5. Step 5: Solve for x
    x = 739,537,365,850.21/1,141,744.32
  6. Step 6: Final answer
    x = 647,725.90

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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.