Home / 1,205,442.41-1,809,037.40-447,391.76

Finding the Fourth Proportional to 1,205,442.41, 1,809,037.40 and 447,391.76

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Solution

The fourth proportional to 1,205,442.41, 1,809,037.40 and 447,391.76 is: 671,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,442.41 : 1,809,037.40 = 447,391.76 : x
  2. Step 2: Convert to fraction form
    1,205,442.41/1,809,037.40 = 447,391.76/x
  3. Step 3: Cross multiply
    1,205,442.41x = 1,809,037.40 × 447,391.76
  4. Step 4: Simplify right side
    1,205,442.41x = 809,348,415,009.68
  5. Step 5: Solve for x
    x = 809,348,415,009.68/1,205,442.41
  6. Step 6: Final answer
    x = 671,411.93

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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.