Home / 1,384,132.25-2,076,185.93-437,503.28

Finding the Fourth Proportional to 1,384,132.25, 2,076,185.93 and 437,503.28

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Solution

The fourth proportional to 1,384,132.25, 2,076,185.93 and 437,503.28 is: 656,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,132.25 : 2,076,185.93 = 437,503.28 : x
  2. Step 2: Convert to fraction form
    1,384,132.25/2,076,185.93 = 437,503.28/x
  3. Step 3: Cross multiply
    1,384,132.25x = 2,076,185.93 × 437,503.28
  4. Step 4: Simplify right side
    1,384,132.25x = 908,338,141,696.40
  5. Step 5: Solve for x
    x = 908,338,141,696.40/1,384,132.25
  6. Step 6: Final answer
    x = 656,250.98

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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.