Home / 1,316,855.30-1,817,407.79-743,932.37

Finding the Fourth Proportional to 1,316,855.30, 1,817,407.79 and 743,932.37

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Solution

The fourth proportional to 1,316,855.30, 1,817,407.79 and 743,932.37 is: 1,026,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,855.30 : 1,817,407.79 = 743,932.37 : x
  2. Step 2: Convert to fraction form
    1,316,855.30/1,817,407.79 = 743,932.37/x
  3. Step 3: Cross multiply
    1,316,855.30x = 1,817,407.79 × 743,932.37
  4. Step 4: Simplify right side
    1,316,855.30x = 1,352,028,471,664.46
  5. Step 5: Solve for x
    x = 1,352,028,471,664.46/1,316,855.30
  6. Step 6: Final answer
    x = 1,026,709.98

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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.