Home / 1,353,006.87-2,029,605.07-543,391.35

Finding the Fourth Proportional to 1,353,006.87, 2,029,605.07 and 543,391.35

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Solution

The fourth proportional to 1,353,006.87, 2,029,605.07 and 543,391.35 is: 815,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,006.87 : 2,029,605.07 = 543,391.35 : x
  2. Step 2: Convert to fraction form
    1,353,006.87/2,029,605.07 = 543,391.35/x
  3. Step 3: Cross multiply
    1,353,006.87x = 2,029,605.07 × 543,391.35
  4. Step 4: Simplify right side
    1,353,006.87x = 1,102,869,838,954.14
  5. Step 5: Solve for x
    x = 1,102,869,838,954.14/1,353,006.87
  6. Step 6: Final answer
    x = 815,125.08

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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.