Home / 1,705,439.10-2,558,158.47-507,378.54

Finding the Fourth Proportional to 1,705,439.10, 2,558,158.47 and 507,378.54

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Solution

The fourth proportional to 1,705,439.10, 2,558,158.47 and 507,378.54 is: 761,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,439.10 : 2,558,158.47 = 507,378.54 : x
  2. Step 2: Convert to fraction form
    1,705,439.10/2,558,158.47 = 507,378.54/x
  3. Step 3: Cross multiply
    1,705,439.10x = 2,558,158.47 × 507,378.54
  4. Step 4: Simplify right side
    1,705,439.10x = 1,297,954,709,597.23
  5. Step 5: Solve for x
    x = 1,297,954,709,597.23/1,705,439.10
  6. Step 6: Final answer
    x = 761,067.76

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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.