Home / 1,362,513.35-1,880,178.18-818,672.06

Finding the Fourth Proportional to 1,362,513.35, 1,880,178.18 and 818,672.06

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Solution

The fourth proportional to 1,362,513.35, 1,880,178.18 and 818,672.06 is: 1,129,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,513.35 : 1,880,178.18 = 818,672.06 : x
  2. Step 2: Convert to fraction form
    1,362,513.35/1,880,178.18 = 818,672.06/x
  3. Step 3: Cross multiply
    1,362,513.35x = 1,880,178.18 × 818,672.06
  4. Step 4: Simplify right side
    1,362,513.35x = 1,539,249,345,418.08
  5. Step 5: Solve for x
    x = 1,539,249,345,418.08/1,362,513.35
  6. Step 6: Final answer
    x = 1,129,713.22

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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.