Home / 1,384,429.20-2,074,408.20-783,603.60

Finding the Fourth Proportional to 1,384,429.20, 2,074,408.20 and 783,603.60

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Solution

The fourth proportional to 1,384,429.20, 2,074,408.20 and 783,603.60 is: 1,174,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,429.20 : 2,074,408.20 = 783,603.60 : x
  2. Step 2: Convert to fraction form
    1,384,429.20/2,074,408.20 = 783,603.60/x
  3. Step 3: Cross multiply
    1,384,429.20x = 2,074,408.20 × 783,603.60
  4. Step 4: Simplify right side
    1,384,429.20x = 1,625,513,733,389.52
  5. Step 5: Solve for x
    x = 1,625,513,733,389.52/1,384,429.20
  6. Step 6: Final answer
    x = 1,174,140.02

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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.