Home / 1,301,347.64-1,795,842.12-728,387.66

Finding the Fourth Proportional to 1,301,347.64, 1,795,842.12 and 728,387.66

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Solution

The fourth proportional to 1,301,347.64, 1,795,842.12 and 728,387.66 is: 1,005,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,347.64 : 1,795,842.12 = 728,387.66 : x
  2. Step 2: Convert to fraction form
    1,301,347.64/1,795,842.12 = 728,387.66/x
  3. Step 3: Cross multiply
    1,301,347.64x = 1,795,842.12 × 728,387.66
  4. Step 4: Simplify right side
    1,301,347.64x = 1,308,069,239,516.24
  5. Step 5: Solve for x
    x = 1,308,069,239,516.24/1,301,347.64
  6. Step 6: Final answer
    x = 1,005,165.11

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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.