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Finding the Fourth Proportional to 1,159,610.22, 1,739,829.66 and 705,126.12

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Solution

The fourth proportional to 1,159,610.22, 1,739,829.66 and 705,126.12 is: 1,057,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,610.22 : 1,739,829.66 = 705,126.12 : x
  2. Step 2: Convert to fraction form
    1,159,610.22/1,739,829.66 = 705,126.12/x
  3. Step 3: Cross multiply
    1,159,610.22x = 1,739,829.66 × 705,126.12
  4. Step 4: Simplify right side
    1,159,610.22x = 1,226,799,337,616.72
  5. Step 5: Solve for x
    x = 1,226,799,337,616.72/1,159,610.22
  6. Step 6: Final answer
    x = 1,057,941.12

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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.