Home / 1,226,409.30-1,692,444.83-682,673.53

Finding the Fourth Proportional to 1,226,409.30, 1,692,444.83 and 682,673.53

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Solution

The fourth proportional to 1,226,409.30, 1,692,444.83 and 682,673.53 is: 942,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,409.30 : 1,692,444.83 = 682,673.53 : x
  2. Step 2: Convert to fraction form
    1,226,409.30/1,692,444.83 = 682,673.53/x
  3. Step 3: Cross multiply
    1,226,409.30x = 1,692,444.83 × 682,673.53
  4. Step 4: Simplify right side
    1,226,409.30x = 1,155,387,286,426.35
  5. Step 5: Solve for x
    x = 1,155,387,286,426.35/1,226,409.30
  6. Step 6: Final answer
    x = 942,089.47

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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.