Home / 1,253,502.20-1,880,555.70-412,009.40

Finding the Fourth Proportional to 1,253,502.20, 1,880,555.70 and 412,009.40

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Solution

The fourth proportional to 1,253,502.20, 1,880,555.70 and 412,009.40 is: 618,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,502.20 : 1,880,555.70 = 412,009.40 : x
  2. Step 2: Convert to fraction form
    1,253,502.20/1,880,555.70 = 412,009.40/x
  3. Step 3: Cross multiply
    1,253,502.20x = 1,880,555.70 × 412,009.40
  4. Step 4: Simplify right side
    1,253,502.20x = 774,806,625,623.58
  5. Step 5: Solve for x
    x = 774,806,625,623.58/1,253,502.20
  6. Step 6: Final answer
    x = 618,113.49

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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.