Home / 1,211,576.74-1,817,384.07-358,734.91

Finding the Fourth Proportional to 1,211,576.74, 1,817,384.07 and 358,734.91

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Solution

The fourth proportional to 1,211,576.74, 1,817,384.07 and 358,734.91 is: 538,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,576.74 : 1,817,384.07 = 358,734.91 : x
  2. Step 2: Convert to fraction form
    1,211,576.74/1,817,384.07 = 358,734.91/x
  3. Step 3: Cross multiply
    1,211,576.74x = 1,817,384.07 × 358,734.91
  4. Step 4: Simplify right side
    1,211,576.74x = 651,959,110,996.28
  5. Step 5: Solve for x
    x = 651,959,110,996.28/1,211,576.74
  6. Step 6: Final answer
    x = 538,107.98

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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.