Home / 1,181,790-1,626,146.10-1,148,722.56

Finding the Fourth Proportional to 1,181,790, 1,626,146.10 and 1,148,722.56

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Solution

The fourth proportional to 1,181,790, 1,626,146.10 and 1,148,722.56 is: 1,580,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,790 : 1,626,146.10 = 1,148,722.56 : x
  2. Step 2: Convert to fraction form
    1,181,790/1,626,146.10 = 1,148,722.56/x
  3. Step 3: Cross multiply
    1,181,790x = 1,626,146.10 × 1,148,722.56
  4. Step 4: Simplify right side
    1,181,790x = 1,867,990,710,926.02
  5. Step 5: Solve for x
    x = 1,867,990,710,926.02/1,181,790
  6. Step 6: Final answer
    x = 1,580,645.22

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1.5x scale

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.