Home / 1,408,686.57-1,943,934.93-764,085.33

Finding the Fourth Proportional to 1,408,686.57, 1,943,934.93 and 764,085.33

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Solution

The fourth proportional to 1,408,686.57, 1,943,934.93 and 764,085.33 is: 1,054,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,686.57 : 1,943,934.93 = 764,085.33 : x
  2. Step 2: Convert to fraction form
    1,408,686.57/1,943,934.93 = 764,085.33/x
  3. Step 3: Cross multiply
    1,408,686.57x = 1,943,934.93 × 764,085.33
  4. Step 4: Simplify right side
    1,408,686.57x = 1,485,332,162,487.58
  5. Step 5: Solve for x
    x = 1,485,332,162,487.58/1,408,686.57
  6. Step 6: Final answer
    x = 1,054,409.26

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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.