Home / 1,253,079.51-1,879,831.46-432,195.22

Finding the Fourth Proportional to 1,253,079.51, 1,879,831.46 and 432,195.22

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Solution

The fourth proportional to 1,253,079.51, 1,879,831.46 and 432,195.22 is: 648,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,079.51 : 1,879,831.46 = 432,195.22 : x
  2. Step 2: Convert to fraction form
    1,253,079.51/1,879,831.46 = 432,195.22/x
  3. Step 3: Cross multiply
    1,253,079.51x = 1,879,831.46 × 432,195.22
  4. Step 4: Simplify right side
    1,253,079.51x = 812,454,174,847.90
  5. Step 5: Solve for x
    x = 812,454,174,847.90/1,253,079.51
  6. Step 6: Final answer
    x = 648,366.02

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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.