Home / 1,105,318.80-1,657,978.20-572,662.80

Finding the Fourth Proportional to 1,105,318.80, 1,657,978.20 and 572,662.80

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Solution

The fourth proportional to 1,105,318.80, 1,657,978.20 and 572,662.80 is: 858,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,318.80 : 1,657,978.20 = 572,662.80 : x
  2. Step 2: Convert to fraction form
    1,105,318.80/1,657,978.20 = 572,662.80/x
  3. Step 3: Cross multiply
    1,105,318.80x = 1,657,978.20 × 572,662.80
  4. Step 4: Simplify right side
    1,105,318.80x = 949,462,438,350.96
  5. Step 5: Solve for x
    x = 949,462,438,350.96/1,105,318.80
  6. Step 6: Final answer
    x = 858,994.20

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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.