Home / 1,066,427.30-1,600,044.96-640,260.72

Finding the Fourth Proportional to 1,066,427.30, 1,600,044.96 and 640,260.72

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Solution

The fourth proportional to 1,066,427.30, 1,600,044.96 and 640,260.72 is: 960,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,427.30 : 1,600,044.96 = 640,260.72 : x
  2. Step 2: Convert to fraction form
    1,066,427.30/1,600,044.96 = 640,260.72/x
  3. Step 3: Cross multiply
    1,066,427.30x = 1,600,044.96 × 640,260.72
  4. Step 4: Simplify right side
    1,066,427.30x = 1,024,445,938,121.97
  5. Step 5: Solve for x
    x = 1,024,445,938,121.97/1,066,427.30
  6. Step 6: Final answer
    x = 960,633.64

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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.