Home / 1,421,945.03-1,963,311.59-878,825.45

Finding the Fourth Proportional to 1,421,945.03, 1,963,311.59 and 878,825.45

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Solution

The fourth proportional to 1,421,945.03, 1,963,311.59 and 878,825.45 is: 1,213,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,945.03 : 1,963,311.59 = 878,825.45 : x
  2. Step 2: Convert to fraction form
    1,421,945.03/1,963,311.59 = 878,825.45/x
  3. Step 3: Cross multiply
    1,421,945.03x = 1,963,311.59 × 878,825.45
  4. Step 4: Simplify right side
    1,421,945.03x = 1,725,408,185,161.98
  5. Step 5: Solve for x
    x = 1,725,408,185,161.98/1,421,945.03
  6. Step 6: Final answer
    x = 1,213,414.13

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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.