Home / 1,317,259.44-1,975,446.36-518,331.60

Finding the Fourth Proportional to 1,317,259.44, 1,975,446.36 and 518,331.60

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Solution

The fourth proportional to 1,317,259.44, 1,975,446.36 and 518,331.60 is: 777,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,259.44 : 1,975,446.36 = 518,331.60 : x
  2. Step 2: Convert to fraction form
    1,317,259.44/1,975,446.36 = 518,331.60/x
  3. Step 3: Cross multiply
    1,317,259.44x = 1,975,446.36 × 518,331.60
  4. Step 4: Simplify right side
    1,317,259.44x = 1,023,936,272,492.98
  5. Step 5: Solve for x
    x = 1,023,936,272,492.98/1,317,259.44
  6. Step 6: Final answer
    x = 777,323.16

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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.