Home / 1,197,460.80-1,796,191.20-487,123.20

Finding the Fourth Proportional to 1,197,460.80, 1,796,191.20 and 487,123.20

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Solution

The fourth proportional to 1,197,460.80, 1,796,191.20 and 487,123.20 is: 730,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,460.80 : 1,796,191.20 = 487,123.20 : x
  2. Step 2: Convert to fraction form
    1,197,460.80/1,796,191.20 = 487,123.20/x
  3. Step 3: Cross multiply
    1,197,460.80x = 1,796,191.20 × 487,123.20
  4. Step 4: Simplify right side
    1,197,460.80x = 874,966,405,155.84
  5. Step 5: Solve for x
    x = 874,966,405,155.84/1,197,460.80
  6. Step 6: Final answer
    x = 730,684.80

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Double scale
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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.