Home / 1,152,403.80-1,728,605.70-310,954.20

Finding the Fourth Proportional to 1,152,403.80, 1,728,605.70 and 310,954.20

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Solution

The fourth proportional to 1,152,403.80, 1,728,605.70 and 310,954.20 is: 466,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,403.80 : 1,728,605.70 = 310,954.20 : x
  2. Step 2: Convert to fraction form
    1,152,403.80/1,728,605.70 = 310,954.20/x
  3. Step 3: Cross multiply
    1,152,403.80x = 1,728,605.70 × 310,954.20
  4. Step 4: Simplify right side
    1,152,403.80x = 537,517,202,558.94
  5. Step 5: Solve for x
    x = 537,517,202,558.94/1,152,403.80
  6. Step 6: Final answer
    x = 466,431.30

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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.