Home / 1,076,107.20-1,484,918.10-662,578.32

Finding the Fourth Proportional to 1,076,107.20, 1,484,918.10 and 662,578.32

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Solution

The fourth proportional to 1,076,107.20, 1,484,918.10 and 662,578.32 is: 914,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,107.20 : 1,484,918.10 = 662,578.32 : x
  2. Step 2: Convert to fraction form
    1,076,107.20/1,484,918.10 = 662,578.32/x
  3. Step 3: Cross multiply
    1,076,107.20x = 1,484,918.10 × 662,578.32
  4. Step 4: Simplify right side
    1,076,107.20x = 983,874,540,035.59
  5. Step 5: Solve for x
    x = 983,874,540,035.59/1,076,107.20
  6. Step 6: Final answer
    x = 914,290.45

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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.