Home / 1,243,835.64-1,866,147.93-445,099.50

Finding the Fourth Proportional to 1,243,835.64, 1,866,147.93 and 445,099.50

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Solution

The fourth proportional to 1,243,835.64, 1,866,147.93 and 445,099.50 is: 667,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,835.64 : 1,866,147.93 = 445,099.50 : x
  2. Step 2: Convert to fraction form
    1,243,835.64/1,866,147.93 = 445,099.50/x
  3. Step 3: Cross multiply
    1,243,835.64x = 1,866,147.93 × 445,099.50
  4. Step 4: Simplify right side
    1,243,835.64x = 830,621,510,569.04
  5. Step 5: Solve for x
    x = 830,621,510,569.04/1,243,835.64
  6. Step 6: Final answer
    x = 667,790.41

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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.