Home / 1,105,022.56-1,657,157.04-431,050.72

Finding the Fourth Proportional to 1,105,022.56, 1,657,157.04 and 431,050.72

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Solution

The fourth proportional to 1,105,022.56, 1,657,157.04 and 431,050.72 is: 646,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,022.56 : 1,657,157.04 = 431,050.72 : x
  2. Step 2: Convert to fraction form
    1,105,022.56/1,657,157.04 = 431,050.72/x
  3. Step 3: Cross multiply
    1,105,022.56x = 1,657,157.04 × 431,050.72
  4. Step 4: Simplify right side
    1,105,022.56x = 714,318,735,245.07
  5. Step 5: Solve for x
    x = 714,318,735,245.07/1,105,022.56
  6. Step 6: Final answer
    x = 646,429.10

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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.