Home / 1,076,823.20-1,615,105.20-445,671.20

Finding the Fourth Proportional to 1,076,823.20, 1,615,105.20 and 445,671.20

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Solution

The fourth proportional to 1,076,823.20, 1,615,105.20 and 445,671.20 is: 668,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,823.20 : 1,615,105.20 = 445,671.20 : x
  2. Step 2: Convert to fraction form
    1,076,823.20/1,615,105.20 = 445,671.20/x
  3. Step 3: Cross multiply
    1,076,823.20x = 1,615,105.20 × 445,671.20
  4. Step 4: Simplify right side
    1,076,823.20x = 719,805,872,610.24
  5. Step 5: Solve for x
    x = 719,805,872,610.24/1,076,823.20
  6. Step 6: Final answer
    x = 668,453.16

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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.