Home / 1,131,980.32-1,562,106.80-622,671.84

Finding the Fourth Proportional to 1,131,980.32, 1,562,106.80 and 622,671.84

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Solution

The fourth proportional to 1,131,980.32, 1,562,106.80 and 622,671.84 is: 859,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,980.32 : 1,562,106.80 = 622,671.84 : x
  2. Step 2: Convert to fraction form
    1,131,980.32/1,562,106.80 = 622,671.84/x
  3. Step 3: Cross multiply
    1,131,980.32x = 1,562,106.80 × 622,671.84
  4. Step 4: Simplify right side
    1,131,980.32x = 972,679,915,432.51
  5. Step 5: Solve for x
    x = 972,679,915,432.51/1,131,980.32
  6. Step 6: Final answer
    x = 859,272.81

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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.