Home / 1,109,350.08-1,531,755.36-919,460.16

Finding the Fourth Proportional to 1,109,350.08, 1,531,755.36 and 919,460.16

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Solution

The fourth proportional to 1,109,350.08, 1,531,755.36 and 919,460.16 is: 1,269,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,350.08 : 1,531,755.36 = 919,460.16 : x
  2. Step 2: Convert to fraction form
    1,109,350.08/1,531,755.36 = 919,460.16/x
  3. Step 3: Cross multiply
    1,109,350.08x = 1,531,755.36 × 919,460.16
  4. Step 4: Simplify right side
    1,109,350.08x = 1,408,388,028,386.46
  5. Step 5: Solve for x
    x = 1,408,388,028,386.46/1,109,350.08
  6. Step 6: Final answer
    x = 1,269,561.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.