Home / 1,211,795.10-1,817,136.18-412,751.52

Finding the Fourth Proportional to 1,211,795.10, 1,817,136.18 and 412,751.52

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Solution

The fourth proportional to 1,211,795.10, 1,817,136.18 and 412,751.52 is: 618,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,795.10 : 1,817,136.18 = 412,751.52 : x
  2. Step 2: Convert to fraction form
    1,211,795.10/1,817,136.18 = 412,751.52/x
  3. Step 3: Cross multiply
    1,211,795.10x = 1,817,136.18 × 412,751.52
  4. Step 4: Simplify right side
    1,211,795.10x = 750,025,720,341.99
  5. Step 5: Solve for x
    x = 750,025,720,341.99/1,211,795.10
  6. Step 6: Final answer
    x = 618,937.74

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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.