Home / 1,115,297.70-1,539,114.66-631,952.34

Finding the Fourth Proportional to 1,115,297.70, 1,539,114.66 and 631,952.34

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Solution

The fourth proportional to 1,115,297.70, 1,539,114.66 and 631,952.34 is: 872,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,297.70 : 1,539,114.66 = 631,952.34 : x
  2. Step 2: Convert to fraction form
    1,115,297.70/1,539,114.66 = 631,952.34/x
  3. Step 3: Cross multiply
    1,115,297.70x = 1,539,114.66 × 631,952.34
  4. Step 4: Simplify right side
    1,115,297.70x = 972,647,110,915.30
  5. Step 5: Solve for x
    x = 972,647,110,915.30/1,115,297.70
  6. Step 6: Final answer
    x = 872,096.40

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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.