Home / 1,179,157.10-1,768,300.52-420,795.71

Finding the Fourth Proportional to 1,179,157.10, 1,768,300.52 and 420,795.71

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Solution

The fourth proportional to 1,179,157.10, 1,768,300.52 and 420,795.71 is: 631,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,157.10 : 1,768,300.52 = 420,795.71 : x
  2. Step 2: Convert to fraction form
    1,179,157.10/1,768,300.52 = 420,795.71/x
  3. Step 3: Cross multiply
    1,179,157.10x = 1,768,300.52 × 420,795.71
  4. Step 4: Simplify right side
    1,179,157.10x = 744,093,270,859.39
  5. Step 5: Solve for x
    x = 744,093,270,859.39/1,179,157.10
  6. Step 6: Final answer
    x = 631,038.28

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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.