Home / 1,107,686.61-1,661,529.90-349,587.21

Finding the Fourth Proportional to 1,107,686.61, 1,661,529.90 and 349,587.21

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Solution

The fourth proportional to 1,107,686.61, 1,661,529.90 and 349,587.21 is: 524,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,686.61 : 1,661,529.90 = 349,587.21 : x
  2. Step 2: Convert to fraction form
    1,107,686.61/1,661,529.90 = 349,587.21/x
  3. Step 3: Cross multiply
    1,107,686.61x = 1,661,529.90 × 349,587.21
  4. Step 4: Simplify right side
    1,107,686.61x = 580,849,602,072.58
  5. Step 5: Solve for x
    x = 580,849,602,072.58/1,107,686.61
  6. Step 6: Final answer
    x = 524,380.81

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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.