Home / 1,004,880.64-1,385,349.60-801,621.44

Finding the Fourth Proportional to 1,004,880.64, 1,385,349.60 and 801,621.44

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Solution

The fourth proportional to 1,004,880.64, 1,385,349.60 and 801,621.44 is: 1,105,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,880.64 : 1,385,349.60 = 801,621.44 : x
  2. Step 2: Convert to fraction form
    1,004,880.64/1,385,349.60 = 801,621.44/x
  3. Step 3: Cross multiply
    1,004,880.64x = 1,385,349.60 × 801,621.44
  4. Step 4: Simplify right side
    1,004,880.64x = 1,110,525,941,255.42
  5. Step 5: Solve for x
    x = 1,110,525,941,255.42/1,004,880.64
  6. Step 6: Final answer
    x = 1,105,132.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.