Home / 1,984,509.20-2,976,763.80-488,601.20

Finding the Fourth Proportional to 1,984,509.20, 2,976,763.80 and 488,601.20

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Solution

The fourth proportional to 1,984,509.20, 2,976,763.80 and 488,601.20 is: 732,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,509.20 : 2,976,763.80 = 488,601.20 : x
  2. Step 2: Convert to fraction form
    1,984,509.20/2,976,763.80 = 488,601.20/x
  3. Step 3: Cross multiply
    1,984,509.20x = 2,976,763.80 × 488,601.20
  4. Step 4: Simplify right side
    1,984,509.20x = 1,454,450,364,796.56
  5. Step 5: Solve for x
    x = 1,454,450,364,796.56/1,984,509.20
  6. Step 6: Final answer
    x = 732,901.80

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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.