Home / 1,335,399.56-1,842,835.70-723,540.36

Finding the Fourth Proportional to 1,335,399.56, 1,842,835.70 and 723,540.36

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Solution

The fourth proportional to 1,335,399.56, 1,842,835.70 and 723,540.36 is: 998,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,399.56 : 1,842,835.70 = 723,540.36 : x
  2. Step 2: Convert to fraction form
    1,335,399.56/1,842,835.70 = 723,540.36/x
  3. Step 3: Cross multiply
    1,335,399.56x = 1,842,835.70 × 723,540.36
  4. Step 4: Simplify right side
    1,335,399.56x = 1,333,366,005,798.85
  5. Step 5: Solve for x
    x = 1,333,366,005,798.85/1,335,399.56
  6. Step 6: Final answer
    x = 998,477.19

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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.