Home / 1,790,211.71-2,685,244.68-442,340.34

Finding the Fourth Proportional to 1,790,211.71, 2,685,244.68 and 442,340.34

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Solution

The fourth proportional to 1,790,211.71, 2,685,244.68 and 442,340.34 is: 663,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,211.71 : 2,685,244.68 = 442,340.34 : x
  2. Step 2: Convert to fraction form
    1,790,211.71/2,685,244.68 = 442,340.34/x
  3. Step 3: Cross multiply
    1,790,211.71x = 2,685,244.68 × 442,340.34
  4. Step 4: Simplify right side
    1,790,211.71x = 1,187,792,044,734.39
  5. Step 5: Solve for x
    x = 1,187,792,044,734.39/1,790,211.71
  6. Step 6: Final answer
    x = 663,492.50

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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.