Home / 1,116,928.88-1,674,061.68-778,135.04

Finding the Fourth Proportional to 1,116,928.88, 1,674,061.68 and 778,135.04

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Solution

The fourth proportional to 1,116,928.88, 1,674,061.68 and 778,135.04 is: 1,166,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,928.88 : 1,674,061.68 = 778,135.04 : x
  2. Step 2: Convert to fraction form
    1,116,928.88/1,674,061.68 = 778,135.04/x
  3. Step 3: Cross multiply
    1,116,928.88x = 1,674,061.68 × 778,135.04
  4. Step 4: Simplify right side
    1,116,928.88x = 1,302,646,052,329.27
  5. Step 5: Solve for x
    x = 1,302,646,052,329.27/1,116,928.88
  6. Step 6: Final answer
    x = 1,166,274.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.