Home / 1,213,065.34-1,817,800.91-492,530.85

Finding the Fourth Proportional to 1,213,065.34, 1,817,800.91 and 492,530.85

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Solution

The fourth proportional to 1,213,065.34, 1,817,800.91 and 492,530.85 is: 738,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,065.34 : 1,817,800.91 = 492,530.85 : x
  2. Step 2: Convert to fraction form
    1,213,065.34/1,817,800.91 = 492,530.85/x
  3. Step 3: Cross multiply
    1,213,065.34x = 1,817,800.91 × 492,530.85
  4. Step 4: Simplify right side
    1,213,065.34x = 895,323,033,215.22
  5. Step 5: Solve for x
    x = 895,323,033,215.22/1,213,065.34
  6. Step 6: Final answer
    x = 738,066.62

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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.