Home / 1,563,737.04-2,158,189.20-990,830.88

Finding the Fourth Proportional to 1,563,737.04, 2,158,189.20 and 990,830.88

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Solution

The fourth proportional to 1,563,737.04, 2,158,189.20 and 990,830.88 is: 1,367,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,737.04 : 2,158,189.20 = 990,830.88 : x
  2. Step 2: Convert to fraction form
    1,563,737.04/2,158,189.20 = 990,830.88/x
  3. Step 3: Cross multiply
    1,563,737.04x = 2,158,189.20 × 990,830.88
  4. Step 4: Simplify right side
    1,563,737.04x = 2,138,400,504,242.50
  5. Step 5: Solve for x
    x = 2,138,400,504,242.50/1,563,737.04
  6. Step 6: Final answer
    x = 1,367,493.67

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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.