Home / 1,137,810.76-1,706,965.40-427,838.80

Finding the Fourth Proportional to 1,137,810.76, 1,706,965.40 and 427,838.80

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Solution

The fourth proportional to 1,137,810.76, 1,706,965.40 and 427,838.80 is: 641,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,810.76 : 1,706,965.40 = 427,838.80 : x
  2. Step 2: Convert to fraction form
    1,137,810.76/1,706,965.40 = 427,838.80/x
  3. Step 3: Cross multiply
    1,137,810.76x = 1,706,965.40 × 427,838.80
  4. Step 4: Simplify right side
    1,137,810.76x = 730,306,028,377.52
  5. Step 5: Solve for x
    x = 730,306,028,377.52/1,137,810.76
  6. Step 6: Final answer
    x = 641,851.93

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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.