Home / 1,178,016.26-1,625,566.86-661,742.10

Finding the Fourth Proportional to 1,178,016.26, 1,625,566.86 and 661,742.10

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Solution

The fourth proportional to 1,178,016.26, 1,625,566.86 and 661,742.10 is: 913,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,016.26 : 1,625,566.86 = 661,742.10 : x
  2. Step 2: Convert to fraction form
    1,178,016.26/1,625,566.86 = 661,742.10/x
  3. Step 3: Cross multiply
    1,178,016.26x = 1,625,566.86 × 661,742.10
  4. Step 4: Simplify right side
    1,178,016.26x = 1,075,706,027,626.81
  5. Step 5: Solve for x
    x = 1,075,706,027,626.81/1,178,016.26
  6. Step 6: Final answer
    x = 913,150.41

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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.