Home / 1,376,571.12-2,064,495.78-617,988.36

Finding the Fourth Proportional to 1,376,571.12, 2,064,495.78 and 617,988.36

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Solution

The fourth proportional to 1,376,571.12, 2,064,495.78 and 617,988.36 is: 926,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,571.12 : 2,064,495.78 = 617,988.36 : x
  2. Step 2: Convert to fraction form
    1,376,571.12/2,064,495.78 = 617,988.36/x
  3. Step 3: Cross multiply
    1,376,571.12x = 2,064,495.78 × 617,988.36
  4. Step 4: Simplify right side
    1,376,571.12x = 1,275,834,361,309.12
  5. Step 5: Solve for x
    x = 1,275,834,361,309.12/1,376,571.12
  6. Step 6: Final answer
    x = 926,820.52

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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.