Home / 1,494,608.85-2,242,288.78-429,652.84

Finding the Fourth Proportional to 1,494,608.85, 2,242,288.78 and 429,652.84

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Solution

The fourth proportional to 1,494,608.85, 2,242,288.78 and 429,652.84 is: 644,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,608.85 : 2,242,288.78 = 429,652.84 : x
  2. Step 2: Convert to fraction form
    1,494,608.85/2,242,288.78 = 429,652.84/x
  3. Step 3: Cross multiply
    1,494,608.85x = 2,242,288.78 × 429,652.84
  4. Step 4: Simplify right side
    1,494,608.85x = 963,405,742,427.14
  5. Step 5: Solve for x
    x = 963,405,742,427.14/1,494,608.85
  6. Step 6: Final answer
    x = 644,587.21

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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.