Home / 1,301,322.16-1,795,806.96-728,362.16

Finding the Fourth Proportional to 1,301,322.16, 1,795,806.96 and 728,362.16

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Solution

The fourth proportional to 1,301,322.16, 1,795,806.96 and 728,362.16 is: 1,005,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,322.16 : 1,795,806.96 = 728,362.16 : x
  2. Step 2: Convert to fraction form
    1,301,322.16/1,795,806.96 = 728,362.16/x
  3. Step 3: Cross multiply
    1,301,322.16x = 1,795,806.96 × 728,362.16
  4. Step 4: Simplify right side
    1,301,322.16x = 1,307,997,836,328.63
  5. Step 5: Solve for x
    x = 1,307,997,836,328.63/1,301,322.16
  6. Step 6: Final answer
    x = 1,005,129.92

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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.