Home / 1,643,620.52-2,465,430.74-445,542.82

Finding the Fourth Proportional to 1,643,620.52, 2,465,430.74 and 445,542.82

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Solution

The fourth proportional to 1,643,620.52, 2,465,430.74 and 445,542.82 is: 668,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,620.52 : 2,465,430.74 = 445,542.82 : x
  2. Step 2: Convert to fraction form
    1,643,620.52/2,465,430.74 = 445,542.82/x
  3. Step 3: Cross multiply
    1,643,620.52x = 2,465,430.74 × 445,542.82
  4. Step 4: Simplify right side
    1,643,620.52x = 1,098,454,949,859.42
  5. Step 5: Solve for x
    x = 1,098,454,949,859.42/1,643,620.52
  6. Step 6: Final answer
    x = 668,314.21

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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.