Home / 1,128,988.73-1,559,297.51-743,527.25

Finding the Fourth Proportional to 1,128,988.73, 1,559,297.51 and 743,527.25

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Solution

The fourth proportional to 1,128,988.73, 1,559,297.51 and 743,527.25 is: 1,026,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,988.73 : 1,559,297.51 = 743,527.25 : x
  2. Step 2: Convert to fraction form
    1,128,988.73/1,559,297.51 = 743,527.25/x
  3. Step 3: Cross multiply
    1,128,988.73x = 1,559,297.51 × 743,527.25
  4. Step 4: Simplify right side
    1,128,988.73x = 1,159,380,189,542.15
  5. Step 5: Solve for x
    x = 1,159,380,189,542.15/1,128,988.73
  6. Step 6: Final answer
    x = 1,026,919.19

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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.