Home / 1,197,772.80-1,796,659.20-487,435.20

Finding the Fourth Proportional to 1,197,772.80, 1,796,659.20 and 487,435.20

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Solution

The fourth proportional to 1,197,772.80, 1,796,659.20 and 487,435.20 is: 731,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,772.80 : 1,796,659.20 = 487,435.20 : x
  2. Step 2: Convert to fraction form
    1,197,772.80/1,796,659.20 = 487,435.20/x
  3. Step 3: Cross multiply
    1,197,772.80x = 1,796,659.20 × 487,435.20
  4. Step 4: Simplify right side
    1,197,772.80x = 875,754,936,483.84
  5. Step 5: Solve for x
    x = 875,754,936,483.84/1,197,772.80
  6. Step 6: Final answer
    x = 731,152.80

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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.