Home / 1,091,900.66-1,506,020.85-723,711.92

Finding the Fourth Proportional to 1,091,900.66, 1,506,020.85 and 723,711.92

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Solution

The fourth proportional to 1,091,900.66, 1,506,020.85 and 723,711.92 is: 998,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,900.66 : 1,506,020.85 = 723,711.92 : x
  2. Step 2: Convert to fraction form
    1,091,900.66/1,506,020.85 = 723,711.92/x
  3. Step 3: Cross multiply
    1,091,900.66x = 1,506,020.85 × 723,711.92
  4. Step 4: Simplify right side
    1,091,900.66x = 1,089,925,233,383.43
  5. Step 5: Solve for x
    x = 1,089,925,233,383.43/1,091,900.66
  6. Step 6: Final answer
    x = 998,190.84

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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.