Home / 1,657,210.80-2,485,816.20-947,310.60

Finding the Fourth Proportional to 1,657,210.80, 2,485,816.20 and 947,310.60

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Solution

The fourth proportional to 1,657,210.80, 2,485,816.20 and 947,310.60 is: 1,420,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,210.80 : 2,485,816.20 = 947,310.60 : x
  2. Step 2: Convert to fraction form
    1,657,210.80/2,485,816.20 = 947,310.60/x
  3. Step 3: Cross multiply
    1,657,210.80x = 2,485,816.20 × 947,310.60
  4. Step 4: Simplify right side
    1,657,210.80x = 2,354,840,035,911.72
  5. Step 5: Solve for x
    x = 2,354,840,035,911.72/1,657,210.80
  6. Step 6: Final answer
    x = 1,420,965.90

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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.