Home / 1,066,221.64-1,598,542.38-645,397.96

Finding the Fourth Proportional to 1,066,221.64, 1,598,542.38 and 645,397.96

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Solution

The fourth proportional to 1,066,221.64, 1,598,542.38 and 645,397.96 is: 967,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,221.64 : 1,598,542.38 = 645,397.96 : x
  2. Step 2: Convert to fraction form
    1,066,221.64/1,598,542.38 = 645,397.96/x
  3. Step 3: Cross multiply
    1,066,221.64x = 1,598,542.38 × 645,397.96
  4. Step 4: Simplify right side
    1,066,221.64x = 1,031,695,991,025.54
  5. Step 5: Solve for x
    x = 1,031,695,991,025.54/1,066,221.64
  6. Step 6: Final answer
    x = 967,618.69

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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.