Home / 1,167,323.10-1,747,393.37-761,641.78

Finding the Fourth Proportional to 1,167,323.10, 1,747,393.37 and 761,641.78

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Solution

The fourth proportional to 1,167,323.10, 1,747,393.37 and 761,641.78 is: 1,140,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,323.10 : 1,747,393.37 = 761,641.78 : x
  2. Step 2: Convert to fraction form
    1,167,323.10/1,747,393.37 = 761,641.78/x
  3. Step 3: Cross multiply
    1,167,323.10x = 1,747,393.37 × 761,641.78
  4. Step 4: Simplify right side
    1,167,323.10x = 1,330,887,795,777.01
  5. Step 5: Solve for x
    x = 1,330,887,795,777.01/1,167,323.10
  6. Step 6: Final answer
    x = 1,140,119.47

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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.