Home / 1,525,069.70-2,285,021.16-1,012,376.78

Finding the Fourth Proportional to 1,525,069.70, 2,285,021.16 and 1,012,376.78

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Solution

The fourth proportional to 1,525,069.70, 2,285,021.16 and 1,012,376.78 is: 1,516,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,069.70 : 2,285,021.16 = 1,012,376.78 : x
  2. Step 2: Convert to fraction form
    1,525,069.70/2,285,021.16 = 1,012,376.78/x
  3. Step 3: Cross multiply
    1,525,069.70x = 2,285,021.16 × 1,012,376.78
  4. Step 4: Simplify right side
    1,525,069.70x = 2,313,302,364,192.67
  5. Step 5: Solve for x
    x = 2,313,302,364,192.67/1,525,069.70
  6. Step 6: Final answer
    x = 1,516,850.26

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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.