Home / 1,384,294.20-2,074,205.70-783,468.60

Finding the Fourth Proportional to 1,384,294.20, 2,074,205.70 and 783,468.60

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Solution

The fourth proportional to 1,384,294.20, 2,074,205.70 and 783,468.60 is: 1,173,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,294.20 : 2,074,205.70 = 783,468.60 : x
  2. Step 2: Convert to fraction form
    1,384,294.20/2,074,205.70 = 783,468.60/x
  3. Step 3: Cross multiply
    1,384,294.20x = 2,074,205.70 × 783,468.60
  4. Step 4: Simplify right side
    1,384,294.20x = 1,625,075,035,891.02
  5. Step 5: Solve for x
    x = 1,625,075,035,891.02/1,384,294.20
  6. Step 6: Final answer
    x = 1,173,937.62

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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.