Home / 1,310,886-1,966,435.68-364,256.76

Finding the Fourth Proportional to 1,310,886, 1,966,435.68 and 364,256.76

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Solution

The fourth proportional to 1,310,886, 1,966,435.68 and 364,256.76 is: 546,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,886 : 1,966,435.68 = 364,256.76 : x
  2. Step 2: Convert to fraction form
    1,310,886/1,966,435.68 = 364,256.76/x
  3. Step 3: Cross multiply
    1,310,886x = 1,966,435.68 × 364,256.76
  4. Step 4: Simplify right side
    1,310,886x = 716,287,489,545.20
  5. Step 5: Solve for x
    x = 716,287,489,545.20/1,310,886
  6. Step 6: Final answer
    x = 546,414.78

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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.