Home / 1,346,038.54-2,018,620.92-447,238.90

Finding the Fourth Proportional to 1,346,038.54, 2,018,620.92 and 447,238.90

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Solution

The fourth proportional to 1,346,038.54, 2,018,620.92 and 447,238.90 is: 670,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,038.54 : 2,018,620.92 = 447,238.90 : x
  2. Step 2: Convert to fraction form
    1,346,038.54/2,018,620.92 = 447,238.90/x
  3. Step 3: Cross multiply
    1,346,038.54x = 2,018,620.92 × 447,238.90
  4. Step 4: Simplify right side
    1,346,038.54x = 902,805,799,777.79
  5. Step 5: Solve for x
    x = 902,805,799,777.79/1,346,038.54
  6. Step 6: Final answer
    x = 670,713.19

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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.