Home / 1,816,219.32-2,506,290.03-1,000,405.44

Finding the Fourth Proportional to 1,816,219.32, 2,506,290.03 and 1,000,405.44

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Solution

The fourth proportional to 1,816,219.32, 2,506,290.03 and 1,000,405.44 is: 1,380,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,219.32 : 2,506,290.03 = 1,000,405.44 : x
  2. Step 2: Convert to fraction form
    1,816,219.32/2,506,290.03 = 1,000,405.44/x
  3. Step 3: Cross multiply
    1,816,219.32x = 2,506,290.03 × 1,000,405.44
  4. Step 4: Simplify right side
    1,816,219.32x = 2,507,306,180,229.76
  5. Step 5: Solve for x
    x = 2,507,306,180,229.76/1,816,219.32
  6. Step 6: Final answer
    x = 1,380,508.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.