Home / 1,406,289.50-2,109,791.46-409,017.50

Finding the Fourth Proportional to 1,406,289.50, 2,109,791.46 and 409,017.50

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Solution

The fourth proportional to 1,406,289.50, 2,109,791.46 and 409,017.50 is: 613,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,289.50 : 2,109,791.46 = 409,017.50 : x
  2. Step 2: Convert to fraction form
    1,406,289.50/2,109,791.46 = 409,017.50/x
  3. Step 3: Cross multiply
    1,406,289.50x = 2,109,791.46 × 409,017.50
  4. Step 4: Simplify right side
    1,406,289.50x = 862,941,628,490.55
  5. Step 5: Solve for x
    x = 862,941,628,490.55/1,406,289.50
  6. Step 6: Final answer
    x = 613,630.14

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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.