Home / 1,289,344.20-1,933,348.84-578,760.36

Finding the Fourth Proportional to 1,289,344.20, 1,933,348.84 and 578,760.36

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Solution

The fourth proportional to 1,289,344.20, 1,933,348.84 and 578,760.36 is: 867,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,344.20 : 1,933,348.84 = 578,760.36 : x
  2. Step 2: Convert to fraction form
    1,289,344.20/1,933,348.84 = 578,760.36/x
  3. Step 3: Cross multiply
    1,289,344.20x = 1,933,348.84 × 578,760.36
  4. Step 4: Simplify right side
    1,289,344.20x = 1,118,945,670,643.98
  5. Step 5: Solve for x
    x = 1,118,945,670,643.98/1,289,344.20
  6. Step 6: Final answer
    x = 867,840.93

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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.