Home / 1,107,740.09-1,661,907.68-349,610.87

Finding the Fourth Proportional to 1,107,740.09, 1,661,907.68 and 349,610.87

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Solution

The fourth proportional to 1,107,740.09, 1,661,907.68 and 349,610.87 is: 524,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,740.09 : 1,661,907.68 = 349,610.87 : x
  2. Step 2: Convert to fraction form
    1,107,740.09/1,661,907.68 = 349,610.87/x
  3. Step 3: Cross multiply
    1,107,740.09x = 1,661,907.68 × 349,610.87
  4. Step 4: Simplify right side
    1,107,740.09x = 581,020,989,864.48
  5. Step 5: Solve for x
    x = 581,020,989,864.48/1,107,740.09
  6. Step 6: Final answer
    x = 524,510.21

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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.