Home / 1,275,258.36-1,913,139.78-364,449

Finding the Fourth Proportional to 1,275,258.36, 1,913,139.78 and 364,449

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Solution

The fourth proportional to 1,275,258.36, 1,913,139.78 and 364,449 is: 546,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,258.36 : 1,913,139.78 = 364,449 : x
  2. Step 2: Convert to fraction form
    1,275,258.36/1,913,139.78 = 364,449/x
  3. Step 3: Cross multiply
    1,275,258.36x = 1,913,139.78 × 364,449
  4. Step 4: Simplify right side
    1,275,258.36x = 697,241,879,681.22
  5. Step 5: Solve for x
    x = 697,241,879,681.22/1,275,258.36
  6. Step 6: Final answer
    x = 546,745.59

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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.