Home / 1,313,019.60-1,969,529.40-366,388.80

Finding the Fourth Proportional to 1,313,019.60, 1,969,529.40 and 366,388.80

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Solution

The fourth proportional to 1,313,019.60, 1,969,529.40 and 366,388.80 is: 549,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,019.60 : 1,969,529.40 = 366,388.80 : x
  2. Step 2: Convert to fraction form
    1,313,019.60/1,969,529.40 = 366,388.80/x
  3. Step 3: Cross multiply
    1,313,019.60x = 1,969,529.40 × 366,388.80
  4. Step 4: Simplify right side
    1,313,019.60x = 721,613,513,430.72
  5. Step 5: Solve for x
    x = 721,613,513,430.72/1,313,019.60
  6. Step 6: Final answer
    x = 549,583.20

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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.