Home / 1,327,564.90-1,831,567.17-783,428.41

Finding the Fourth Proportional to 1,327,564.90, 1,831,567.17 and 783,428.41

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Solution

The fourth proportional to 1,327,564.90, 1,831,567.17 and 783,428.41 is: 1,080,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,564.90 : 1,831,567.17 = 783,428.41 : x
  2. Step 2: Convert to fraction form
    1,327,564.90/1,831,567.17 = 783,428.41/x
  3. Step 3: Cross multiply
    1,327,564.90x = 1,831,567.17 × 783,428.41
  4. Step 4: Simplify right side
    1,327,564.90x = 1,434,901,755,801.30
  5. Step 5: Solve for x
    x = 1,434,901,755,801.30/1,327,564.90
  6. Step 6: Final answer
    x = 1,080,852.44

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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.