Home / 1,392,158.20-2,088,237.30-967,005.40

Finding the Fourth Proportional to 1,392,158.20, 2,088,237.30 and 967,005.40

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Solution

The fourth proportional to 1,392,158.20, 2,088,237.30 and 967,005.40 is: 1,450,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,158.20 : 2,088,237.30 = 967,005.40 : x
  2. Step 2: Convert to fraction form
    1,392,158.20/2,088,237.30 = 967,005.40/x
  3. Step 3: Cross multiply
    1,392,158.20x = 2,088,237.30 × 967,005.40
  4. Step 4: Simplify right side
    1,392,158.20x = 2,019,336,745,581.42
  5. Step 5: Solve for x
    x = 2,019,336,745,581.42/1,392,158.20
  6. Step 6: Final answer
    x = 1,450,508.10

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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.