Home / 1,243,838.64-1,866,152.43-445,102.50

Finding the Fourth Proportional to 1,243,838.64, 1,866,152.43 and 445,102.50

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Solution

The fourth proportional to 1,243,838.64, 1,866,152.43 and 445,102.50 is: 667,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,838.64 : 1,866,152.43 = 445,102.50 : x
  2. Step 2: Convert to fraction form
    1,243,838.64/1,866,152.43 = 445,102.50/x
  3. Step 3: Cross multiply
    1,243,838.64x = 1,866,152.43 × 445,102.50
  4. Step 4: Simplify right side
    1,243,838.64x = 830,629,111,974.08
  5. Step 5: Solve for x
    x = 830,629,111,974.08/1,243,838.64
  6. Step 6: Final answer
    x = 667,794.91

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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.