Home / 1,346,355.75-1,857,928.30-765,641.98

Finding the Fourth Proportional to 1,346,355.75, 1,857,928.30 and 765,641.98

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Solution

The fourth proportional to 1,346,355.75, 1,857,928.30 and 765,641.98 is: 1,056,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,355.75 : 1,857,928.30 = 765,641.98 : x
  2. Step 2: Convert to fraction form
    1,346,355.75/1,857,928.30 = 765,641.98/x
  3. Step 3: Cross multiply
    1,346,355.75x = 1,857,928.30 × 765,641.98
  4. Step 4: Simplify right side
    1,346,355.75x = 1,422,507,895,751.11
  5. Step 5: Solve for x
    x = 1,422,507,895,751.11/1,346,355.75
  6. Step 6: Final answer
    x = 1,056,561.68

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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.