Home / 1,248,064.20-1,722,136.14-704,157.30

Finding the Fourth Proportional to 1,248,064.20, 1,722,136.14 and 704,157.30

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Solution

The fourth proportional to 1,248,064.20, 1,722,136.14 and 704,157.30 is: 971,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,064.20 : 1,722,136.14 = 704,157.30 : x
  2. Step 2: Convert to fraction form
    1,248,064.20/1,722,136.14 = 704,157.30/x
  3. Step 3: Cross multiply
    1,248,064.20x = 1,722,136.14 × 704,157.30
  4. Step 4: Simplify right side
    1,248,064.20x = 1,212,654,734,574.82
  5. Step 5: Solve for x
    x = 1,212,654,734,574.82/1,248,064.20
  6. Step 6: Final answer
    x = 971,628.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.