Home / 1,340,831.80-2,011,344.90-807,203.80

Finding the Fourth Proportional to 1,340,831.80, 2,011,344.90 and 807,203.80

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Solution

The fourth proportional to 1,340,831.80, 2,011,344.90 and 807,203.80 is: 1,210,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,831.80 : 2,011,344.90 = 807,203.80 : x
  2. Step 2: Convert to fraction form
    1,340,831.80/2,011,344.90 = 807,203.80/x
  3. Step 3: Cross multiply
    1,340,831.80x = 2,011,344.90 × 807,203.80
  4. Step 4: Simplify right side
    1,340,831.80x = 1,623,565,246,390.62
  5. Step 5: Solve for x
    x = 1,623,565,246,390.62/1,340,831.80
  6. Step 6: Final answer
    x = 1,210,864.22

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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.