Home / 1,787,027.40-2,680,541.10-1,031,200.20

Finding the Fourth Proportional to 1,787,027.40, 2,680,541.10 and 1,031,200.20

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Solution

The fourth proportional to 1,787,027.40, 2,680,541.10 and 1,031,200.20 is: 1,546,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,027.40 : 2,680,541.10 = 1,031,200.20 : x
  2. Step 2: Convert to fraction form
    1,787,027.40/2,680,541.10 = 1,031,200.20/x
  3. Step 3: Cross multiply
    1,787,027.40x = 2,680,541.10 × 1,031,200.20
  4. Step 4: Simplify right side
    1,787,027.40x = 2,764,174,518,428.22
  5. Step 5: Solve for x
    x = 2,764,174,518,428.22/1,787,027.40
  6. Step 6: Final answer
    x = 1,546,800.30

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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.