Home / 1,107,534.56-1,661,218.86-349,400.96

Finding the Fourth Proportional to 1,107,534.56, 1,661,218.86 and 349,400.96

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Solution

The fourth proportional to 1,107,534.56, 1,661,218.86 and 349,400.96 is: 524,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,534.56 : 1,661,218.86 = 349,400.96 : x
  2. Step 2: Convert to fraction form
    1,107,534.56/1,661,218.86 = 349,400.96/x
  3. Step 3: Cross multiply
    1,107,534.56x = 1,661,218.86 × 349,400.96
  4. Step 4: Simplify right side
    1,107,534.56x = 580,431,464,454.11
  5. Step 5: Solve for x
    x = 580,431,464,454.11/1,107,534.56
  6. Step 6: Final answer
    x = 524,075.26

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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.