Home / 1,090,314.52-1,635,685.74-380,365.72

Finding the Fourth Proportional to 1,090,314.52, 1,635,685.74 and 380,365.72

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Solution

The fourth proportional to 1,090,314.52, 1,635,685.74 and 380,365.72 is: 570,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,314.52 : 1,635,685.74 = 380,365.72 : x
  2. Step 2: Convert to fraction form
    1,090,314.52/1,635,685.74 = 380,365.72/x
  3. Step 3: Cross multiply
    1,090,314.52x = 1,635,685.74 × 380,365.72
  4. Step 4: Simplify right side
    1,090,314.52x = 622,158,784,188.83
  5. Step 5: Solve for x
    x = 622,158,784,188.83/1,090,314.52
  6. Step 6: Final answer
    x = 570,623.22

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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.