Home / 1,391,852.73-2,087,267.00-480,803.43

Finding the Fourth Proportional to 1,391,852.73, 2,087,267.00 and 480,803.43

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Solution

The fourth proportional to 1,391,852.73, 2,087,267.00 and 480,803.43 is: 721,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,852.73 : 2,087,267.00 = 480,803.43 : x
  2. Step 2: Convert to fraction form
    1,391,852.73/2,087,267.00 = 480,803.43/x
  3. Step 3: Cross multiply
    1,391,852.73x = 2,087,267.00 × 480,803.43
  4. Step 4: Simplify right side
    1,391,852.73x = 1,003,565,130,521.79
  5. Step 5: Solve for x
    x = 1,003,565,130,521.79/1,391,852.73
  6. Step 6: Final answer
    x = 721,028.24

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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.