Home / 1,076,468.80-1,614,703.20-515,214.40

Finding the Fourth Proportional to 1,076,468.80, 1,614,703.20 and 515,214.40

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Solution

The fourth proportional to 1,076,468.80, 1,614,703.20 and 515,214.40 is: 772,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,468.80 : 1,614,703.20 = 515,214.40 : x
  2. Step 2: Convert to fraction form
    1,076,468.80/1,614,703.20 = 515,214.40/x
  3. Step 3: Cross multiply
    1,076,468.80x = 1,614,703.20 × 515,214.40
  4. Step 4: Simplify right side
    1,076,468.80x = 831,918,340,366.08
  5. Step 5: Solve for x
    x = 831,918,340,366.08/1,076,468.80
  6. Step 6: Final answer
    x = 772,821.60

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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.