Home / 1,207,517.37-1,666,531.94-779,043.93

Finding the Fourth Proportional to 1,207,517.37, 1,666,531.94 and 779,043.93

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Solution

The fourth proportional to 1,207,517.37, 1,666,531.94 and 779,043.93 is: 1,075,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,517.37 : 1,666,531.94 = 779,043.93 : x
  2. Step 2: Convert to fraction form
    1,207,517.37/1,666,531.94 = 779,043.93/x
  3. Step 3: Cross multiply
    1,207,517.37x = 1,666,531.94 × 779,043.93
  4. Step 4: Simplify right side
    1,207,517.37x = 1,298,301,588,112.90
  5. Step 5: Solve for x
    x = 1,298,301,588,112.90/1,207,517.37
  6. Step 6: Final answer
    x = 1,075,182.54

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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.