Home / 1,460,353.20-2,190,363.78-395,478.30

Finding the Fourth Proportional to 1,460,353.20, 2,190,363.78 and 395,478.30

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Solution

The fourth proportional to 1,460,353.20, 2,190,363.78 and 395,478.30 is: 593,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,353.20 : 2,190,363.78 = 395,478.30 : x
  2. Step 2: Convert to fraction form
    1,460,353.20/2,190,363.78 = 395,478.30/x
  3. Step 3: Cross multiply
    1,460,353.20x = 2,190,363.78 × 395,478.30
  4. Step 4: Simplify right side
    1,460,353.20x = 866,241,344,095.97
  5. Step 5: Solve for x
    x = 866,241,344,095.97/1,460,353.20
  6. Step 6: Final answer
    x = 593,172.49

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Double scale
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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.