Home / 1,520,144.19-2,280,216.29-1,235,491.11

Finding the Fourth Proportional to 1,520,144.19, 2,280,216.29 and 1,235,491.11

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Solution

The fourth proportional to 1,520,144.19, 2,280,216.29 and 1,235,491.11 is: 1,853,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,144.19 : 2,280,216.29 = 1,235,491.11 : x
  2. Step 2: Convert to fraction form
    1,520,144.19/2,280,216.29 = 1,235,491.11/x
  3. Step 3: Cross multiply
    1,520,144.19x = 2,280,216.29 × 1,235,491.11
  4. Step 4: Simplify right side
    1,520,144.19x = 2,817,186,948,994.73
  5. Step 5: Solve for x
    x = 2,817,186,948,994.73/1,520,144.19
  6. Step 6: Final answer
    x = 1,853,236.67

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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.