Home / 1,018,394.30-1,405,384.96-559,538.48

Finding the Fourth Proportional to 1,018,394.30, 1,405,384.96 and 559,538.48

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Solution

The fourth proportional to 1,018,394.30, 1,405,384.96 and 559,538.48 is: 772,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,394.30 : 1,405,384.96 = 559,538.48 : x
  2. Step 2: Convert to fraction form
    1,018,394.30/1,405,384.96 = 559,538.48/x
  3. Step 3: Cross multiply
    1,018,394.30x = 1,405,384.96 × 559,538.48
  4. Step 4: Simplify right side
    1,018,394.30x = 786,366,964,333.26
  5. Step 5: Solve for x
    x = 786,366,964,333.26/1,018,394.30
  6. Step 6: Final answer
    x = 772,163.56

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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.