Home / 1,054,288.80-1,581,433.20-774,352.80

Finding the Fourth Proportional to 1,054,288.80, 1,581,433.20 and 774,352.80

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Solution

The fourth proportional to 1,054,288.80, 1,581,433.20 and 774,352.80 is: 1,161,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,288.80 : 1,581,433.20 = 774,352.80 : x
  2. Step 2: Convert to fraction form
    1,054,288.80/1,581,433.20 = 774,352.80/x
  3. Step 3: Cross multiply
    1,054,288.80x = 1,581,433.20 × 774,352.80
  4. Step 4: Simplify right side
    1,054,288.80x = 1,224,587,226,432.96
  5. Step 5: Solve for x
    x = 1,224,587,226,432.96/1,054,288.80
  6. Step 6: Final answer
    x = 1,161,529.20

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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.