Home / 909,176.40-1,361,140.20-804,200.40

Finding the Fourth Proportional to 909,176.40, 1,361,140.20 and 804,200.40

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Solution

The fourth proportional to 909,176.40, 1,361,140.20 and 804,200.40 is: 1,203,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,176.40 : 1,361,140.20 = 804,200.40 : x
  2. Step 2: Convert to fraction form
    909,176.40/1,361,140.20 = 804,200.40/x
  3. Step 3: Cross multiply
    909,176.40x = 1,361,140.20 × 804,200.40
  4. Step 4: Simplify right side
    909,176.40x = 1,094,629,493,296.08
  5. Step 5: Solve for x
    x = 1,094,629,493,296.08/909,176.40
  6. Step 6: Final answer
    x = 1,203,979.22

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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.