Home / 1,144,027.20-1,578,686.40-634,719.36

Finding the Fourth Proportional to 1,144,027.20, 1,578,686.40 and 634,719.36

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Solution

The fourth proportional to 1,144,027.20, 1,578,686.40 and 634,719.36 is: 875,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,027.20 : 1,578,686.40 = 634,719.36 : x
  2. Step 2: Convert to fraction form
    1,144,027.20/1,578,686.40 = 634,719.36/x
  3. Step 3: Cross multiply
    1,144,027.20x = 1,578,686.40 × 634,719.36
  4. Step 4: Simplify right side
    1,144,027.20x = 1,002,022,821,448.70
  5. Step 5: Solve for x
    x = 1,002,022,821,448.70/1,144,027.20
  6. Step 6: Final answer
    x = 875,873.25

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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.