Home / 1,692,313.90-2,335,379.57-917,942.82

Finding the Fourth Proportional to 1,692,313.90, 2,335,379.57 and 917,942.82

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Solution

The fourth proportional to 1,692,313.90, 2,335,379.57 and 917,942.82 is: 1,266,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,313.90 : 2,335,379.57 = 917,942.82 : x
  2. Step 2: Convert to fraction form
    1,692,313.90/2,335,379.57 = 917,942.82/x
  3. Step 3: Cross multiply
    1,692,313.90x = 2,335,379.57 × 917,942.82
  4. Step 4: Simplify right side
    1,692,313.90x = 2,143,744,908,256.19
  5. Step 5: Solve for x
    x = 2,143,744,908,256.19/1,692,313.90
  6. Step 6: Final answer
    x = 1,266,753.71

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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.