Home / 1,151,428.32-1,726,289.40-551,818.56

Finding the Fourth Proportional to 1,151,428.32, 1,726,289.40 and 551,818.56

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Solution

The fourth proportional to 1,151,428.32, 1,726,289.40 and 551,818.56 is: 827,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,428.32 : 1,726,289.40 = 551,818.56 : x
  2. Step 2: Convert to fraction form
    1,151,428.32/1,726,289.40 = 551,818.56/x
  3. Step 3: Cross multiply
    1,151,428.32x = 1,726,289.40 × 551,818.56
  4. Step 4: Simplify right side
    1,151,428.32x = 952,598,530,851.26
  5. Step 5: Solve for x
    x = 952,598,530,851.26/1,151,428.32
  6. Step 6: Final answer
    x = 827,319.00

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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.