Home / 1,137,669.18-1,706,192.72-427,642.62

Finding the Fourth Proportional to 1,137,669.18, 1,706,192.72 and 427,642.62

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Solution

The fourth proportional to 1,137,669.18, 1,706,192.72 and 427,642.62 is: 641,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,669.18 : 1,706,192.72 = 427,642.62 : x
  2. Step 2: Convert to fraction form
    1,137,669.18/1,706,192.72 = 427,642.62/x
  3. Step 3: Cross multiply
    1,137,669.18x = 1,706,192.72 × 427,642.62
  4. Step 4: Simplify right side
    1,137,669.18x = 729,640,725,005.73
  5. Step 5: Solve for x
    x = 729,640,725,005.73/1,137,669.18
  6. Step 6: Final answer
    x = 641,347.01

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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.