Home / 1,187,329.10-1,638,690.02-751,786.93

Finding the Fourth Proportional to 1,187,329.10, 1,638,690.02 and 751,786.93

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Solution

The fourth proportional to 1,187,329.10, 1,638,690.02 and 751,786.93 is: 1,037,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,329.10 : 1,638,690.02 = 751,786.93 : x
  2. Step 2: Convert to fraction form
    1,187,329.10/1,638,690.02 = 751,786.93/x
  3. Step 3: Cross multiply
    1,187,329.10x = 1,638,690.02 × 751,786.93
  4. Step 4: Simplify right side
    1,187,329.10x = 1,231,945,730,286.26
  5. Step 5: Solve for x
    x = 1,231,945,730,286.26/1,187,329.10
  6. Step 6: Final answer
    x = 1,037,577.31

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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.