Home / 1,580,521.65-2,181,122.46-855,369.96

Finding the Fourth Proportional to 1,580,521.65, 2,181,122.46 and 855,369.96

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Solution

The fourth proportional to 1,580,521.65, 2,181,122.46 and 855,369.96 is: 1,180,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,521.65 : 2,181,122.46 = 855,369.96 : x
  2. Step 2: Convert to fraction form
    1,580,521.65/2,181,122.46 = 855,369.96/x
  3. Step 3: Cross multiply
    1,580,521.65x = 2,181,122.46 × 855,369.96
  4. Step 4: Simplify right side
    1,580,521.65x = 1,865,666,631,365.30
  5. Step 5: Solve for x
    x = 1,865,666,631,365.30/1,580,521.65
  6. Step 6: Final answer
    x = 1,180,411.94

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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.