Home / 1,477,815.56-2,212,719.30-766,351.68

Finding the Fourth Proportional to 1,477,815.56, 2,212,719.30 and 766,351.68

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Solution

The fourth proportional to 1,477,815.56, 2,212,719.30 and 766,351.68 is: 1,147,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,815.56 : 2,212,719.30 = 766,351.68 : x
  2. Step 2: Convert to fraction form
    1,477,815.56/2,212,719.30 = 766,351.68/x
  3. Step 3: Cross multiply
    1,477,815.56x = 2,212,719.30 × 766,351.68
  4. Step 4: Simplify right side
    1,477,815.56x = 1,695,721,152,923.42
  5. Step 5: Solve for x
    x = 1,695,721,152,923.42/1,477,815.56
  6. Step 6: Final answer
    x = 1,147,451.14

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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.