Home / 1,356,000.10-2,034,000.15-345,120.10

Finding the Fourth Proportional to 1,356,000.10, 2,034,000.15 and 345,120.10

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Solution

The fourth proportional to 1,356,000.10, 2,034,000.15 and 345,120.10 is: 517,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,000.10 : 2,034,000.15 = 345,120.10 : x
  2. Step 2: Convert to fraction form
    1,356,000.10/2,034,000.15 = 345,120.10/x
  3. Step 3: Cross multiply
    1,356,000.10x = 2,034,000.15 × 345,120.10
  4. Step 4: Simplify right side
    1,356,000.10x = 701,974,335,168.02
  5. Step 5: Solve for x
    x = 701,974,335,168.02/1,356,000.10
  6. Step 6: Final answer
    x = 517,680.15

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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.