Home / 1,025,881.13-1,416,111.05-918,261.29

Finding the Fourth Proportional to 1,025,881.13, 1,416,111.05 and 918,261.29

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Solution

The fourth proportional to 1,025,881.13, 1,416,111.05 and 918,261.29 is: 1,267,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,881.13 : 1,416,111.05 = 918,261.29 : x
  2. Step 2: Convert to fraction form
    1,025,881.13/1,416,111.05 = 918,261.29/x
  3. Step 3: Cross multiply
    1,025,881.13x = 1,416,111.05 × 918,261.29
  4. Step 4: Simplify right side
    1,025,881.13x = 1,300,359,959,556.25
  5. Step 5: Solve for x
    x = 1,300,359,959,556.25/1,025,881.13
  6. Step 6: Final answer
    x = 1,267,554.22

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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.