Home / 1,631,871.74-2,447,228.34-478,796.48

Finding the Fourth Proportional to 1,631,871.74, 2,447,228.34 and 478,796.48

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Solution

The fourth proportional to 1,631,871.74, 2,447,228.34 and 478,796.48 is: 718,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,871.74 : 2,447,228.34 = 478,796.48 : x
  2. Step 2: Convert to fraction form
    1,631,871.74/2,447,228.34 = 478,796.48/x
  3. Step 3: Cross multiply
    1,631,871.74x = 2,447,228.34 × 478,796.48
  4. Step 4: Simplify right side
    1,631,871.74x = 1,171,724,314,948.24
  5. Step 5: Solve for x
    x = 1,171,724,314,948.24/1,631,871.74
  6. Step 6: Final answer
    x = 718,024.76

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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.