Home / 1,418,955.30-2,127,167.10-520,187.15

Finding the Fourth Proportional to 1,418,955.30, 2,127,167.10 and 520,187.15

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Solution

The fourth proportional to 1,418,955.30, 2,127,167.10 and 520,187.15 is: 779,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,955.30 : 2,127,167.10 = 520,187.15 : x
  2. Step 2: Convert to fraction form
    1,418,955.30/2,127,167.10 = 520,187.15/x
  3. Step 3: Cross multiply
    1,418,955.30x = 2,127,167.10 × 520,187.15
  4. Step 4: Simplify right side
    1,418,955.30x = 1,106,524,996,640.68
  5. Step 5: Solve for x
    x = 1,106,524,996,640.68/1,418,955.30
  6. Step 6: Final answer
    x = 779,816.67

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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.