Home / 1,211,641.48-1,817,481.06-358,799.39

Finding the Fourth Proportional to 1,211,641.48, 1,817,481.06 and 358,799.39

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Solution

The fourth proportional to 1,211,641.48, 1,817,481.06 and 358,799.39 is: 538,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,641.48 : 1,817,481.06 = 358,799.39 : x
  2. Step 2: Convert to fraction form
    1,211,641.48/1,817,481.06 = 358,799.39/x
  3. Step 3: Cross multiply
    1,211,641.48x = 1,817,481.06 × 358,799.39
  4. Step 4: Simplify right side
    1,211,641.48x = 652,111,095,664.55
  5. Step 5: Solve for x
    x = 652,111,095,664.55/1,211,641.48
  6. Step 6: Final answer
    x = 538,204.66

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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.