Home / 1,212,803.20-1,819,210.20-314,181.10

Finding the Fourth Proportional to 1,212,803.20, 1,819,210.20 and 314,181.10

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Solution

The fourth proportional to 1,212,803.20, 1,819,210.20 and 314,181.10 is: 471,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,803.20 : 1,819,210.20 = 314,181.10 : x
  2. Step 2: Convert to fraction form
    1,212,803.20/1,819,210.20 = 314,181.10/x
  3. Step 3: Cross multiply
    1,212,803.20x = 1,819,210.20 × 314,181.10
  4. Step 4: Simplify right side
    1,212,803.20x = 571,561,461,767.22
  5. Step 5: Solve for x
    x = 571,561,461,767.22/1,212,803.20
  6. Step 6: Final answer
    x = 471,273.05

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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.