Home / 1,628,091.17-2,442,489.40-490,758.22

Finding the Fourth Proportional to 1,628,091.17, 2,442,489.40 and 490,758.22

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Solution

The fourth proportional to 1,628,091.17, 2,442,489.40 and 490,758.22 is: 736,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,091.17 : 2,442,489.40 = 490,758.22 : x
  2. Step 2: Convert to fraction form
    1,628,091.17/2,442,489.40 = 490,758.22/x
  3. Step 3: Cross multiply
    1,628,091.17x = 2,442,489.40 × 490,758.22
  4. Step 4: Simplify right side
    1,628,091.17x = 1,198,671,750,312.87
  5. Step 5: Solve for x
    x = 1,198,671,750,312.87/1,628,091.17
  6. Step 6: Final answer
    x = 736,243.63

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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.