Home / 1,189,885.28-1,782,925.08-1,069,031.60

Finding the Fourth Proportional to 1,189,885.28, 1,782,925.08 and 1,069,031.60

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Solution

The fourth proportional to 1,189,885.28, 1,782,925.08 and 1,069,031.60 is: 1,601,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,885.28 : 1,782,925.08 = 1,069,031.60 : x
  2. Step 2: Convert to fraction form
    1,189,885.28/1,782,925.08 = 1,069,031.60/x
  3. Step 3: Cross multiply
    1,189,885.28x = 1,782,925.08 × 1,069,031.60
  4. Step 4: Simplify right side
    1,189,885.28x = 1,906,003,250,952.53
  5. Step 5: Solve for x
    x = 1,906,003,250,952.53/1,189,885.28
  6. Step 6: Final answer
    x = 1,601,837.83

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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.