Home / 1,174,160.40-1,758,907.80-640,726.80

Finding the Fourth Proportional to 1,174,160.40, 1,758,907.80 and 640,726.80

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Solution

The fourth proportional to 1,174,160.40, 1,758,907.80 and 640,726.80 is: 959,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,160.40 : 1,758,907.80 = 640,726.80 : x
  2. Step 2: Convert to fraction form
    1,174,160.40/1,758,907.80 = 640,726.80/x
  3. Step 3: Cross multiply
    1,174,160.40x = 1,758,907.80 × 640,726.80
  4. Step 4: Simplify right side
    1,174,160.40x = 1,126,979,366,189.04
  5. Step 5: Solve for x
    x = 1,126,979,366,189.04/1,174,160.40
  6. Step 6: Final answer
    x = 959,817.22

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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.