Home / 1,318,550.40-1,819,271.43-767,356.56

Finding the Fourth Proportional to 1,318,550.40, 1,819,271.43 and 767,356.56

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Solution

The fourth proportional to 1,318,550.40, 1,819,271.43 and 767,356.56 is: 1,058,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,550.40 : 1,819,271.43 = 767,356.56 : x
  2. Step 2: Convert to fraction form
    1,318,550.40/1,819,271.43 = 767,356.56/x
  3. Step 3: Cross multiply
    1,318,550.40x = 1,819,271.43 × 767,356.56
  4. Step 4: Simplify right side
    1,318,550.40x = 1,396,029,866,231.08
  5. Step 5: Solve for x
    x = 1,396,029,866,231.08/1,318,550.40
  6. Step 6: Final answer
    x = 1,058,761.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.