Home / 1,230,141.36-1,843,716.04-870,415.86

Finding the Fourth Proportional to 1,230,141.36, 1,843,716.04 and 870,415.86

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Solution

The fourth proportional to 1,230,141.36, 1,843,716.04 and 870,415.86 is: 1,304,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,141.36 : 1,843,716.04 = 870,415.86 : x
  2. Step 2: Convert to fraction form
    1,230,141.36/1,843,716.04 = 870,415.86/x
  3. Step 3: Cross multiply
    1,230,141.36x = 1,843,716.04 × 870,415.86
  4. Step 4: Simplify right side
    1,230,141.36x = 1,604,799,682,552.39
  5. Step 5: Solve for x
    x = 1,604,799,682,552.39/1,230,141.36
  6. Step 6: Final answer
    x = 1,304,565.26

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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.