Home / 1,123,894.80-1,685,842.20-1,116,896.40

Finding the Fourth Proportional to 1,123,894.80, 1,685,842.20 and 1,116,896.40

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Solution

The fourth proportional to 1,123,894.80, 1,685,842.20 and 1,116,896.40 is: 1,675,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,894.80 : 1,685,842.20 = 1,116,896.40 : x
  2. Step 2: Convert to fraction form
    1,123,894.80/1,685,842.20 = 1,116,896.40/x
  3. Step 3: Cross multiply
    1,123,894.80x = 1,685,842.20 × 1,116,896.40
  4. Step 4: Simplify right side
    1,123,894.80x = 1,882,911,084,148.08
  5. Step 5: Solve for x
    x = 1,882,911,084,148.08/1,123,894.80
  6. Step 6: Final answer
    x = 1,675,344.60

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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.