Home / 1,577,319.81-2,365,979.76-379,242.18

Finding the Fourth Proportional to 1,577,319.81, 2,365,979.76 and 379,242.18

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Solution

The fourth proportional to 1,577,319.81, 2,365,979.76 and 379,242.18 is: 568,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,319.81 : 2,365,979.76 = 379,242.18 : x
  2. Step 2: Convert to fraction form
    1,577,319.81/2,365,979.76 = 379,242.18/x
  3. Step 3: Cross multiply
    1,577,319.81x = 2,365,979.76 × 379,242.18
  4. Step 4: Simplify right side
    1,577,319.81x = 897,279,322,018.28
  5. Step 5: Solve for x
    x = 897,279,322,018.28/1,577,319.81
  6. Step 6: Final answer
    x = 568,863.28

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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.