Home / 1,258,932.36-1,889,185.86-510,978.36

Finding the Fourth Proportional to 1,258,932.36, 1,889,185.86 and 510,978.36

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Solution

The fourth proportional to 1,258,932.36, 1,889,185.86 and 510,978.36 is: 766,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,932.36 : 1,889,185.86 = 510,978.36 : x
  2. Step 2: Convert to fraction form
    1,258,932.36/1,889,185.86 = 510,978.36/x
  3. Step 3: Cross multiply
    1,258,932.36x = 1,889,185.86 × 510,978.36
  4. Step 4: Simplify right side
    1,258,932.36x = 965,333,092,477.99
  5. Step 5: Solve for x
    x = 965,333,092,477.99/1,258,932.36
  6. Step 6: Final answer
    x = 766,787.10

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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.