Home / 1,269,085.12-1,904,126.13-558,615.08

Finding the Fourth Proportional to 1,269,085.12, 1,904,126.13 and 558,615.08

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Solution

The fourth proportional to 1,269,085.12, 1,904,126.13 and 558,615.08 is: 838,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,085.12 : 1,904,126.13 = 558,615.08 : x
  2. Step 2: Convert to fraction form
    1,269,085.12/1,904,126.13 = 558,615.08/x
  3. Step 3: Cross multiply
    1,269,085.12x = 1,904,126.13 × 558,615.08
  4. Step 4: Simplify right side
    1,269,085.12x = 1,063,673,575,200.36
  5. Step 5: Solve for x
    x = 1,063,673,575,200.36/1,269,085.12
  6. Step 6: Final answer
    x = 838,142.03

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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.