Home / 1,221,412.77-1,832,244.84-422,693.10

Finding the Fourth Proportional to 1,221,412.77, 1,832,244.84 and 422,693.10

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Solution

The fourth proportional to 1,221,412.77, 1,832,244.84 and 422,693.10 is: 634,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,412.77 : 1,832,244.84 = 422,693.10 : x
  2. Step 2: Convert to fraction form
    1,221,412.77/1,832,244.84 = 422,693.10/x
  3. Step 3: Cross multiply
    1,221,412.77x = 1,832,244.84 × 422,693.10
  4. Step 4: Simplify right side
    1,221,412.77x = 774,477,251,378.60
  5. Step 5: Solve for x
    x = 774,477,251,378.60/1,221,412.77
  6. Step 6: Final answer
    x = 634,083.15

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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.