Home / 1,087,888.38-1,631,830.79-289,169.94

Finding the Fourth Proportional to 1,087,888.38, 1,631,830.79 and 289,169.94

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Solution

The fourth proportional to 1,087,888.38, 1,631,830.79 and 289,169.94 is: 433,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,888.38 : 1,631,830.79 = 289,169.94 : x
  2. Step 2: Convert to fraction form
    1,087,888.38/1,631,830.79 = 289,169.94/x
  3. Step 3: Cross multiply
    1,087,888.38x = 1,631,830.79 × 289,169.94
  4. Step 4: Simplify right side
    1,087,888.38x = 471,876,411,634.45
  5. Step 5: Solve for x
    x = 471,876,411,634.45/1,087,888.38
  6. Step 6: Final answer
    x = 433,754.44

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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.