Home / 1,118,240.26-1,543,131.02-683,385.12

Finding the Fourth Proportional to 1,118,240.26, 1,543,131.02 and 683,385.12

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Solution

The fourth proportional to 1,118,240.26, 1,543,131.02 and 683,385.12 is: 943,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,240.26 : 1,543,131.02 = 683,385.12 : x
  2. Step 2: Convert to fraction form
    1,118,240.26/1,543,131.02 = 683,385.12/x
  3. Step 3: Cross multiply
    1,118,240.26x = 1,543,131.02 × 683,385.12
  4. Step 4: Simplify right side
    1,118,240.26x = 1,054,552,778,986.89
  5. Step 5: Solve for x
    x = 1,054,552,778,986.89/1,118,240.26
  6. Step 6: Final answer
    x = 943,046.69

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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.