Home / 1,513,071.56-2,269,685.18-391,150.28

Finding the Fourth Proportional to 1,513,071.56, 2,269,685.18 and 391,150.28

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Solution

The fourth proportional to 1,513,071.56, 2,269,685.18 and 391,150.28 is: 586,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,071.56 : 2,269,685.18 = 391,150.28 : x
  2. Step 2: Convert to fraction form
    1,513,071.56/2,269,685.18 = 391,150.28/x
  3. Step 3: Cross multiply
    1,513,071.56x = 2,269,685.18 × 391,150.28
  4. Step 4: Simplify right side
    1,513,071.56x = 887,787,993,668.85
  5. Step 5: Solve for x
    x = 887,787,993,668.85/1,513,071.56
  6. Step 6: Final answer
    x = 586,745.54

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Double scale
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Similar ratio
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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.