Home / 1,258,933.36-1,889,187.36-510,979.36

Finding the Fourth Proportional to 1,258,933.36, 1,889,187.36 and 510,979.36

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Solution

The fourth proportional to 1,258,933.36, 1,889,187.36 and 510,979.36 is: 766,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,933.36 : 1,889,187.36 = 510,979.36 : x
  2. Step 2: Convert to fraction form
    1,258,933.36/1,889,187.36 = 510,979.36/x
  3. Step 3: Cross multiply
    1,258,933.36x = 1,889,187.36 × 510,979.36
  4. Step 4: Simplify right side
    1,258,933.36x = 965,335,748,132.89
  5. Step 5: Solve for x
    x = 965,335,748,132.89/1,258,933.36
  6. Step 6: Final answer
    x = 766,788.60

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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.