Home / 1,152,661.89-1,729,075.88-442,689.93

Finding the Fourth Proportional to 1,152,661.89, 1,729,075.88 and 442,689.93

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Solution

The fourth proportional to 1,152,661.89, 1,729,075.88 and 442,689.93 is: 664,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,661.89 : 1,729,075.88 = 442,689.93 : x
  2. Step 2: Convert to fraction form
    1,152,661.89/1,729,075.88 = 442,689.93/x
  3. Step 3: Cross multiply
    1,152,661.89x = 1,729,075.88 × 442,689.93
  4. Step 4: Simplify right side
    1,152,661.89x = 765,444,469,423.06
  5. Step 5: Solve for x
    x = 765,444,469,423.06/1,152,661.89
  6. Step 6: Final answer
    x = 664,066.78

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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.