Home / 1,813,439.65-2,720,061.05-551,168.86

Finding the Fourth Proportional to 1,813,439.65, 2,720,061.05 and 551,168.86

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Solution

The fourth proportional to 1,813,439.65, 2,720,061.05 and 551,168.86 is: 826,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,439.65 : 2,720,061.05 = 551,168.86 : x
  2. Step 2: Convert to fraction form
    1,813,439.65/2,720,061.05 = 551,168.86/x
  3. Step 3: Cross multiply
    1,813,439.65x = 2,720,061.05 × 551,168.86
  4. Step 4: Simplify right side
    1,813,439.65x = 1,499,212,942,636.67
  5. Step 5: Solve for x
    x = 1,499,212,942,636.67/1,813,439.65
  6. Step 6: Final answer
    x = 826,723.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.