Home / 1,076,840.40-1,615,260.60-969,934.80

Finding the Fourth Proportional to 1,076,840.40, 1,615,260.60 and 969,934.80

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Solution

The fourth proportional to 1,076,840.40, 1,615,260.60 and 969,934.80 is: 1,454,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,840.40 : 1,615,260.60 = 969,934.80 : x
  2. Step 2: Convert to fraction form
    1,076,840.40/1,615,260.60 = 969,934.80/x
  3. Step 3: Cross multiply
    1,076,840.40x = 1,615,260.60 × 969,934.80
  4. Step 4: Simplify right side
    1,076,840.40x = 1,566,697,467,008.88
  5. Step 5: Solve for x
    x = 1,566,697,467,008.88/1,076,840.40
  6. Step 6: Final answer
    x = 1,454,902.20

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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.