Home / 1,604,142.36-2,213,716.92-878,984.16

Finding the Fourth Proportional to 1,604,142.36, 2,213,716.92 and 878,984.16

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Solution

The fourth proportional to 1,604,142.36, 2,213,716.92 and 878,984.16 is: 1,212,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,142.36 : 2,213,716.92 = 878,984.16 : x
  2. Step 2: Convert to fraction form
    1,604,142.36/2,213,716.92 = 878,984.16/x
  3. Step 3: Cross multiply
    1,604,142.36x = 2,213,716.92 × 878,984.16
  4. Step 4: Simplify right side
    1,604,142.36x = 1,945,822,107,403.99
  5. Step 5: Solve for x
    x = 1,945,822,107,403.99/1,604,142.36
  6. Step 6: Final answer
    x = 1,212,998.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.