Home / 1,210,081.20-1,815,136.37-368,640.24

Finding the Fourth Proportional to 1,210,081.20, 1,815,136.37 and 368,640.24

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Solution

The fourth proportional to 1,210,081.20, 1,815,136.37 and 368,640.24 is: 552,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,081.20 : 1,815,136.37 = 368,640.24 : x
  2. Step 2: Convert to fraction form
    1,210,081.20/1,815,136.37 = 368,640.24/x
  3. Step 3: Cross multiply
    1,210,081.20x = 1,815,136.37 × 368,640.24
  4. Step 4: Simplify right side
    1,210,081.20x = 669,132,307,069.53
  5. Step 5: Solve for x
    x = 669,132,307,069.53/1,210,081.20
  6. Step 6: Final answer
    x = 552,964.80

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Double scale
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1.5x scale

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.