Home / 1,295,175.20-1,942,762.80-453,617.60

Finding the Fourth Proportional to 1,295,175.20, 1,942,762.80 and 453,617.60

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Solution

The fourth proportional to 1,295,175.20, 1,942,762.80 and 453,617.60 is: 680,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,175.20 : 1,942,762.80 = 453,617.60 : x
  2. Step 2: Convert to fraction form
    1,295,175.20/1,942,762.80 = 453,617.60/x
  3. Step 3: Cross multiply
    1,295,175.20x = 1,942,762.80 × 453,617.60
  4. Step 4: Simplify right side
    1,295,175.20x = 881,271,398,705.28
  5. Step 5: Solve for x
    x = 881,271,398,705.28/1,295,175.20
  6. Step 6: Final answer
    x = 680,426.40

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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.