Home / 1,052,111.20-1,578,400.67-490,839.52

Finding the Fourth Proportional to 1,052,111.20, 1,578,400.67 and 490,839.52

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Solution

The fourth proportional to 1,052,111.20, 1,578,400.67 and 490,839.52 is: 736,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,111.20 : 1,578,400.67 = 490,839.52 : x
  2. Step 2: Convert to fraction form
    1,052,111.20/1,578,400.67 = 490,839.52/x
  3. Step 3: Cross multiply
    1,052,111.20x = 1,578,400.67 × 490,839.52
  4. Step 4: Simplify right side
    1,052,111.20x = 774,741,427,230.48
  5. Step 5: Solve for x
    x = 774,741,427,230.48/1,052,111.20
  6. Step 6: Final answer
    x = 736,368.39

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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.