Home / 1,170,079.45-1,755,119.18-1,091,347.45

Finding the Fourth Proportional to 1,170,079.45, 1,755,119.18 and 1,091,347.45

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Solution

The fourth proportional to 1,170,079.45, 1,755,119.18 and 1,091,347.45 is: 1,637,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,079.45 : 1,755,119.18 = 1,091,347.45 : x
  2. Step 2: Convert to fraction form
    1,170,079.45/1,755,119.18 = 1,091,347.45/x
  3. Step 3: Cross multiply
    1,170,079.45x = 1,755,119.18 × 1,091,347.45
  4. Step 4: Simplify right side
    1,170,079.45x = 1,915,444,841,539.09
  5. Step 5: Solve for x
    x = 1,915,444,841,539.09/1,170,079.45
  6. Step 6: Final answer
    x = 1,637,021.18

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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.