Home / 1,022,771.94-1,533,911.88-312,806.13

Finding the Fourth Proportional to 1,022,771.94, 1,533,911.88 and 312,806.13

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Solution

The fourth proportional to 1,022,771.94, 1,533,911.88 and 312,806.13 is: 469,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,771.94 : 1,533,911.88 = 312,806.13 : x
  2. Step 2: Convert to fraction form
    1,022,771.94/1,533,911.88 = 312,806.13/x
  3. Step 3: Cross multiply
    1,022,771.94x = 1,533,911.88 × 312,806.13
  4. Step 4: Simplify right side
    1,022,771.94x = 479,817,038,943.82
  5. Step 5: Solve for x
    x = 479,817,038,943.82/1,022,771.94
  6. Step 6: Final answer
    x = 469,133.95

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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.