Home / 1,384,117.70-2,073,940.95-783,292.10

Finding the Fourth Proportional to 1,384,117.70, 2,073,940.95 and 783,292.10

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Solution

The fourth proportional to 1,384,117.70, 2,073,940.95 and 783,292.10 is: 1,173,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,117.70 : 2,073,940.95 = 783,292.10 : x
  2. Step 2: Convert to fraction form
    1,384,117.70/2,073,940.95 = 783,292.10/x
  3. Step 3: Cross multiply
    1,384,117.70x = 2,073,940.95 × 783,292.10
  4. Step 4: Simplify right side
    1,384,117.70x = 1,624,501,562,001.50
  5. Step 5: Solve for x
    x = 1,624,501,562,001.50/1,384,117.70
  6. Step 6: Final answer
    x = 1,173,672.99

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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.