Home / 1,178,559.58-1,626,369.19-720,441.40

Finding the Fourth Proportional to 1,178,559.58, 1,626,369.19 and 720,441.40

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Solution

The fourth proportional to 1,178,559.58, 1,626,369.19 and 720,441.40 is: 994,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,559.58 : 1,626,369.19 = 720,441.40 : x
  2. Step 2: Convert to fraction form
    1,178,559.58/1,626,369.19 = 720,441.40/x
  3. Step 3: Cross multiply
    1,178,559.58x = 1,626,369.19 × 720,441.40
  4. Step 4: Simplify right side
    1,178,559.58x = 1,171,703,696,160.47
  5. Step 5: Solve for x
    x = 1,171,703,696,160.47/1,178,559.58
  6. Step 6: Final answer
    x = 994,182.83

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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.