Home / 1,558,986.84-2,338,545.78-760,939.61

Finding the Fourth Proportional to 1,558,986.84, 2,338,545.78 and 760,939.61

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Solution

The fourth proportional to 1,558,986.84, 2,338,545.78 and 760,939.61 is: 1,141,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,986.84 : 2,338,545.78 = 760,939.61 : x
  2. Step 2: Convert to fraction form
    1,558,986.84/2,338,545.78 = 760,939.61/x
  3. Step 3: Cross multiply
    1,558,986.84x = 2,338,545.78 × 760,939.61
  4. Step 4: Simplify right side
    1,558,986.84x = 1,779,492,102,107.62
  5. Step 5: Solve for x
    x = 1,779,492,102,107.62/1,558,986.84
  6. Step 6: Final answer
    x = 1,141,441.39

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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.