Home / 1,284,508.48-1,770,941.28-1,105,147.06

Finding the Fourth Proportional to 1,284,508.48, 1,770,941.28 and 1,105,147.06

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Solution

The fourth proportional to 1,284,508.48, 1,770,941.28 and 1,105,147.06 is: 1,523,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,508.48 : 1,770,941.28 = 1,105,147.06 : x
  2. Step 2: Convert to fraction form
    1,284,508.48/1,770,941.28 = 1,105,147.06/x
  3. Step 3: Cross multiply
    1,284,508.48x = 1,770,941.28 × 1,105,147.06
  4. Step 4: Simplify right side
    1,284,508.48x = 1,957,150,549,024.64
  5. Step 5: Solve for x
    x = 1,957,150,549,024.64/1,284,508.48
  6. Step 6: Final answer
    x = 1,523,657.16

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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.