Home / 1,197,813.20-1,796,719.80-488,350.40

Finding the Fourth Proportional to 1,197,813.20, 1,796,719.80 and 488,350.40

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Solution

The fourth proportional to 1,197,813.20, 1,796,719.80 and 488,350.40 is: 732,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,813.20 : 1,796,719.80 = 488,350.40 : x
  2. Step 2: Convert to fraction form
    1,197,813.20/1,796,719.80 = 488,350.40/x
  3. Step 3: Cross multiply
    1,197,813.20x = 1,796,719.80 × 488,350.40
  4. Step 4: Simplify right side
    1,197,813.20x = 877,428,833,017.92
  5. Step 5: Solve for x
    x = 877,428,833,017.92/1,197,813.20
  6. Step 6: Final answer
    x = 732,525.60

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Double scale
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Similar ratio
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1.5x scale

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.