Home / 1,076,656.40-1,616,734.20-779,224.40

Finding the Fourth Proportional to 1,076,656.40, 1,616,734.20 and 779,224.40

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Solution

The fourth proportional to 1,076,656.40, 1,616,734.20 and 779,224.40 is: 1,170,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,656.40 : 1,616,734.20 = 779,224.40 : x
  2. Step 2: Convert to fraction form
    1,076,656.40/1,616,734.20 = 779,224.40/x
  3. Step 3: Cross multiply
    1,076,656.40x = 1,616,734.20 × 779,224.40
  4. Step 4: Simplify right side
    1,076,656.40x = 1,259,798,736,954.48
  5. Step 5: Solve for x
    x = 1,259,798,736,954.48/1,076,656.40
  6. Step 6: Final answer
    x = 1,170,102.86

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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.