Home / 1,301,296.32-1,795,771.08-728,336.16

Finding the Fourth Proportional to 1,301,296.32, 1,795,771.08 and 728,336.16

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Solution

The fourth proportional to 1,301,296.32, 1,795,771.08 and 728,336.16 is: 1,005,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,296.32 : 1,795,771.08 = 728,336.16 : x
  2. Step 2: Convert to fraction form
    1,301,296.32/1,795,771.08 = 728,336.16/x
  3. Step 3: Cross multiply
    1,301,296.32x = 1,795,771.08 × 728,336.16
  4. Step 4: Simplify right side
    1,301,296.32x = 1,307,925,012,646.25
  5. Step 5: Solve for x
    x = 1,307,925,012,646.25/1,301,296.32
  6. Step 6: Final answer
    x = 1,005,093.91

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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.