Home / 1,369,342.53-1,889,055.90-886,063.68

Finding the Fourth Proportional to 1,369,342.53, 1,889,055.90 and 886,063.68

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Solution

The fourth proportional to 1,369,342.53, 1,889,055.90 and 886,063.68 is: 1,222,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,342.53 : 1,889,055.90 = 886,063.68 : x
  2. Step 2: Convert to fraction form
    1,369,342.53/1,889,055.90 = 886,063.68/x
  3. Step 3: Cross multiply
    1,369,342.53x = 1,889,055.90 × 886,063.68
  4. Step 4: Simplify right side
    1,369,342.53x = 1,673,823,822,479.71
  5. Step 5: Solve for x
    x = 1,673,823,822,479.71/1,369,342.53
  6. Step 6: Final answer
    x = 1,222,355.83

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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.