Home / 1,818,458.70-2,729,340.45-920,525.10

Finding the Fourth Proportional to 1,818,458.70, 2,729,340.45 and 920,525.10

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Solution

The fourth proportional to 1,818,458.70, 2,729,340.45 and 920,525.10 is: 1,381,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,458.70 : 2,729,340.45 = 920,525.10 : x
  2. Step 2: Convert to fraction form
    1,818,458.70/2,729,340.45 = 920,525.10/x
  3. Step 3: Cross multiply
    1,818,458.70x = 2,729,340.45 × 920,525.10
  4. Step 4: Simplify right side
    1,818,458.70x = 2,512,426,390,670.30
  5. Step 5: Solve for x
    x = 2,512,426,390,670.30/1,818,458.70
  6. Step 6: Final answer
    x = 1,381,624.11

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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.