Home / 1,273,395.92-1,909,650.72-474,241.40

Finding the Fourth Proportional to 1,273,395.92, 1,909,650.72 and 474,241.40

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Solution

The fourth proportional to 1,273,395.92, 1,909,650.72 and 474,241.40 is: 711,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,395.92 : 1,909,650.72 = 474,241.40 : x
  2. Step 2: Convert to fraction form
    1,273,395.92/1,909,650.72 = 474,241.40/x
  3. Step 3: Cross multiply
    1,273,395.92x = 1,909,650.72 × 474,241.40
  4. Step 4: Simplify right side
    1,273,395.92x = 905,635,430,963.81
  5. Step 5: Solve for x
    x = 905,635,430,963.81/1,273,395.92
  6. Step 6: Final answer
    x = 711,197.06

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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.