Home / 1,119,868.83-1,545,374.48-661,131.18

Finding the Fourth Proportional to 1,119,868.83, 1,545,374.48 and 661,131.18

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Solution

The fourth proportional to 1,119,868.83, 1,545,374.48 and 661,131.18 is: 912,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,868.83 : 1,545,374.48 = 661,131.18 : x
  2. Step 2: Convert to fraction form
    1,119,868.83/1,545,374.48 = 661,131.18/x
  3. Step 3: Cross multiply
    1,119,868.83x = 1,545,374.48 × 661,131.18
  4. Step 4: Simplify right side
    1,119,868.83x = 1,021,695,250,198.63
  5. Step 5: Solve for x
    x = 1,021,695,250,198.63/1,119,868.83
  6. Step 6: Final answer
    x = 912,334.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.