Home / 1,066,220.64-1,598,540.88-645,396.96

Finding the Fourth Proportional to 1,066,220.64, 1,598,540.88 and 645,396.96

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Solution

The fourth proportional to 1,066,220.64, 1,598,540.88 and 645,396.96 is: 967,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,220.64 : 1,598,540.88 = 645,396.96 : x
  2. Step 2: Convert to fraction form
    1,066,220.64/1,598,540.88 = 645,396.96/x
  3. Step 3: Cross multiply
    1,066,220.64x = 1,598,540.88 × 645,396.96
  4. Step 4: Simplify right side
    1,066,220.64x = 1,031,693,424,387.72
  5. Step 5: Solve for x
    x = 1,031,693,424,387.72/1,066,220.64
  6. Step 6: Final answer
    x = 967,617.19

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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.