Home / 1,108,129.04-1,529,455.84-699,971.25

Finding the Fourth Proportional to 1,108,129.04, 1,529,455.84 and 699,971.25

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Solution

The fourth proportional to 1,108,129.04, 1,529,455.84 and 699,971.25 is: 966,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,129.04 : 1,529,455.84 = 699,971.25 : x
  2. Step 2: Convert to fraction form
    1,108,129.04/1,529,455.84 = 699,971.25/x
  3. Step 3: Cross multiply
    1,108,129.04x = 1,529,455.84 × 699,971.25
  4. Step 4: Simplify right side
    1,108,129.04x = 1,070,575,120,130.13
  5. Step 5: Solve for x
    x = 1,070,575,120,130.13/1,108,129.04
  6. Step 6: Final answer
    x = 966,110.52

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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.