Home / 1,076,148.18-1,483,491.92-688,908.24

Finding the Fourth Proportional to 1,076,148.18, 1,483,491.92 and 688,908.24

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Solution

The fourth proportional to 1,076,148.18, 1,483,491.92 and 688,908.24 is: 949,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,148.18 : 1,483,491.92 = 688,908.24 : x
  2. Step 2: Convert to fraction form
    1,076,148.18/1,483,491.92 = 688,908.24/x
  3. Step 3: Cross multiply
    1,076,148.18x = 1,483,491.92 × 688,908.24
  4. Step 4: Simplify right side
    1,076,148.18x = 1,021,989,804,216.88
  5. Step 5: Solve for x
    x = 1,021,989,804,216.88/1,076,148.18
  6. Step 6: Final answer
    x = 949,673.87

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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.