Home / 1,120,428.19-1,546,190.90-611,130.56

Finding the Fourth Proportional to 1,120,428.19, 1,546,190.90 and 611,130.56

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Solution

The fourth proportional to 1,120,428.19, 1,546,190.90 and 611,130.56 is: 843,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,428.19 : 1,546,190.90 = 611,130.56 : x
  2. Step 2: Convert to fraction form
    1,120,428.19/1,546,190.90 = 611,130.56/x
  3. Step 3: Cross multiply
    1,120,428.19x = 1,546,190.90 × 611,130.56
  4. Step 4: Simplify right side
    1,120,428.19x = 944,924,515,977.21
  5. Step 5: Solve for x
    x = 944,924,515,977.21/1,120,428.19
  6. Step 6: Final answer
    x = 843,360.18

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