Home / 1,407,065.22-2,110,568.67-342,112.86

Finding the Fourth Proportional to 1,407,065.22, 2,110,568.67 and 342,112.86

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Solution

The fourth proportional to 1,407,065.22, 2,110,568.67 and 342,112.86 is: 513,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,065.22 : 2,110,568.67 = 342,112.86 : x
  2. Step 2: Convert to fraction form
    1,407,065.22/2,110,568.67 = 342,112.86/x
  3. Step 3: Cross multiply
    1,407,065.22x = 2,110,568.67 × 342,112.86
  4. Step 4: Simplify right side
    1,407,065.22x = 722,052,683,920.10
  5. Step 5: Solve for x
    x = 722,052,683,920.10/1,407,065.22
  6. Step 6: Final answer
    x = 513,162.20

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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.