Home / 1,690,871.23-2,333,549.91-927,072.41

Finding the Fourth Proportional to 1,690,871.23, 2,333,549.91 and 927,072.41

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Solution

The fourth proportional to 1,690,871.23, 2,333,549.91 and 927,072.41 is: 1,279,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,871.23 : 2,333,549.91 = 927,072.41 : x
  2. Step 2: Convert to fraction form
    1,690,871.23/2,333,549.91 = 927,072.41/x
  3. Step 3: Cross multiply
    1,690,871.23x = 2,333,549.91 × 927,072.41
  4. Step 4: Simplify right side
    1,690,871.23x = 2,163,369,738,918.98
  5. Step 5: Solve for x
    x = 2,163,369,738,918.98/1,690,871.23
  6. Step 6: Final answer
    x = 1,279,440.86

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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.