Home / 1,401,836.80-2,102,525.12-391,027.52

Finding the Fourth Proportional to 1,401,836.80, 2,102,525.12 and 391,027.52

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Solution

The fourth proportional to 1,401,836.80, 2,102,525.12 and 391,027.52 is: 586,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,836.80 : 2,102,525.12 = 391,027.52 : x
  2. Step 2: Convert to fraction form
    1,401,836.80/2,102,525.12 = 391,027.52/x
  3. Step 3: Cross multiply
    1,401,836.80x = 2,102,525.12 × 391,027.52
  4. Step 4: Simplify right side
    1,401,836.80x = 822,145,183,411.30
  5. Step 5: Solve for x
    x = 822,145,183,411.30/1,401,836.80
  6. Step 6: Final answer
    x = 586,477.10

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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.