Home / 1,100,158.61-1,647,679.05-1,069,888.10

Finding the Fourth Proportional to 1,100,158.61, 1,647,679.05 and 1,069,888.10

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Solution

The fourth proportional to 1,100,158.61, 1,647,679.05 and 1,069,888.10 is: 1,602,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,158.61 : 1,647,679.05 = 1,069,888.10 : x
  2. Step 2: Convert to fraction form
    1,100,158.61/1,647,679.05 = 1,069,888.10/x
  3. Step 3: Cross multiply
    1,100,158.61x = 1,647,679.05 × 1,069,888.10
  4. Step 4: Simplify right side
    1,100,158.61x = 1,762,832,199,975.91
  5. Step 5: Solve for x
    x = 1,762,832,199,975.91/1,100,158.61
  6. Step 6: Final answer
    x = 1,602,343.69

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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.