Home / 1,076,920.76-1,485,114.24-708,739.28

Finding the Fourth Proportional to 1,076,920.76, 1,485,114.24 and 708,739.28

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Solution

The fourth proportional to 1,076,920.76, 1,485,114.24 and 708,739.28 is: 977,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,920.76 : 1,485,114.24 = 708,739.28 : x
  2. Step 2: Convert to fraction form
    1,076,920.76/1,485,114.24 = 708,739.28/x
  3. Step 3: Cross multiply
    1,076,920.76x = 1,485,114.24 × 708,739.28
  4. Step 4: Simplify right side
    1,076,920.76x = 1,052,558,797,175.35
  5. Step 5: Solve for x
    x = 1,052,558,797,175.35/1,076,920.76
  6. Step 6: Final answer
    x = 977,378.13

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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.