Home / 1,005,845.58-1,388,039.22-553,136.58

Finding the Fourth Proportional to 1,005,845.58, 1,388,039.22 and 553,136.58

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Solution

The fourth proportional to 1,005,845.58, 1,388,039.22 and 553,136.58 is: 763,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,845.58 : 1,388,039.22 = 553,136.58 : x
  2. Step 2: Convert to fraction form
    1,005,845.58/1,388,039.22 = 553,136.58/x
  3. Step 3: Cross multiply
    1,005,845.58x = 1,388,039.22 × 553,136.58
  4. Step 4: Simplify right side
    1,005,845.58x = 767,775,267,056.67
  5. Step 5: Solve for x
    x = 767,775,267,056.67/1,005,845.58
  6. Step 6: Final answer
    x = 763,313.26

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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.