Home / 864,015.20-1,294,467.60-705,384.80

Finding the Fourth Proportional to 864,015.20, 1,294,467.60 and 705,384.80

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Solution

The fourth proportional to 864,015.20, 1,294,467.60 and 705,384.80 is: 1,056,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,015.20 : 1,294,467.60 = 705,384.80 : x
  2. Step 2: Convert to fraction form
    864,015.20/1,294,467.60 = 705,384.80/x
  3. Step 3: Cross multiply
    864,015.20x = 1,294,467.60 × 705,384.80
  4. Step 4: Simplify right side
    864,015.20x = 913,097,769,132.48
  5. Step 5: Solve for x
    x = 913,097,769,132.48/864,015.20
  6. Step 6: Final answer
    x = 1,056,807.53

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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.