Home / 1,137,271.20-1,705,129.20-538,519.20

Finding the Fourth Proportional to 1,137,271.20, 1,705,129.20 and 538,519.20

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Solution

The fourth proportional to 1,137,271.20, 1,705,129.20 and 538,519.20 is: 807,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,271.20 : 1,705,129.20 = 538,519.20 : x
  2. Step 2: Convert to fraction form
    1,137,271.20/1,705,129.20 = 538,519.20/x
  3. Step 3: Cross multiply
    1,137,271.20x = 1,705,129.20 × 538,519.20
  4. Step 4: Simplify right side
    1,137,271.20x = 918,244,812,680.64
  5. Step 5: Solve for x
    x = 918,244,812,680.64/1,137,271.20
  6. Step 6: Final answer
    x = 807,410.59

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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.