Home / 1,247,429.22-1,869,552.98-607,885.62

Finding the Fourth Proportional to 1,247,429.22, 1,869,552.98 and 607,885.62

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Solution

The fourth proportional to 1,247,429.22, 1,869,552.98 and 607,885.62 is: 911,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,429.22 : 1,869,552.98 = 607,885.62 : x
  2. Step 2: Convert to fraction form
    1,247,429.22/1,869,552.98 = 607,885.62/x
  3. Step 3: Cross multiply
    1,247,429.22x = 1,869,552.98 × 607,885.62
  4. Step 4: Simplify right side
    1,247,429.22x = 1,136,474,372,370.15
  5. Step 5: Solve for x
    x = 1,136,474,372,370.15/1,247,429.22
  6. Step 6: Final answer
    x = 911,053.19

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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.