Home / 1,752,648.96-2,628,869.76-490,448.64

Finding the Fourth Proportional to 1,752,648.96, 2,628,869.76 and 490,448.64

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Solution

The fourth proportional to 1,752,648.96, 2,628,869.76 and 490,448.64 is: 735,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,648.96 : 2,628,869.76 = 490,448.64 : x
  2. Step 2: Convert to fraction form
    1,752,648.96/2,628,869.76 = 490,448.64/x
  3. Step 3: Cross multiply
    1,752,648.96x = 2,628,869.76 × 490,448.64
  4. Step 4: Simplify right side
    1,752,648.96x = 1,289,325,598,529.13
  5. Step 5: Solve for x
    x = 1,289,325,598,529.13/1,752,648.96
  6. Step 6: Final answer
    x = 735,643.95

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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.