Home / 1,091,432.92-1,638,173.22-671,528.92

Finding the Fourth Proportional to 1,091,432.92, 1,638,173.22 and 671,528.92

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Solution

The fourth proportional to 1,091,432.92, 1,638,173.22 and 671,528.92 is: 1,007,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,432.92 : 1,638,173.22 = 671,528.92 : x
  2. Step 2: Convert to fraction form
    1,091,432.92/1,638,173.22 = 671,528.92/x
  3. Step 3: Cross multiply
    1,091,432.92x = 1,638,173.22 × 671,528.92
  4. Step 4: Simplify right side
    1,091,432.92x = 1,100,080,693,199.52
  5. Step 5: Solve for x
    x = 1,100,080,693,199.52/1,091,432.92
  6. Step 6: Final answer
    x = 1,007,923.32

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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.