Home / 1,107,739.90-1,658,110.65-869,794.30

Finding the Fourth Proportional to 1,107,739.90, 1,658,110.65 and 869,794.30

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Solution

The fourth proportional to 1,107,739.90, 1,658,110.65 and 869,794.30 is: 1,301,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,739.90 : 1,658,110.65 = 869,794.30 : x
  2. Step 2: Convert to fraction form
    1,107,739.90/1,658,110.65 = 869,794.30/x
  3. Step 3: Cross multiply
    1,107,739.90x = 1,658,110.65 × 869,794.30
  4. Step 4: Simplify right side
    1,107,739.90x = 1,442,215,192,139.30
  5. Step 5: Solve for x
    x = 1,442,215,192,139.30/1,107,739.90
  6. Step 6: Final answer
    x = 1,301,943.89

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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.