Home / 1,422,508.79-1,963,077.63-777,915.14

Finding the Fourth Proportional to 1,422,508.79, 1,963,077.63 and 777,915.14

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Solution

The fourth proportional to 1,422,508.79, 1,963,077.63 and 777,915.14 is: 1,073,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,508.79 : 1,963,077.63 = 777,915.14 : x
  2. Step 2: Convert to fraction form
    1,422,508.79/1,963,077.63 = 777,915.14/x
  3. Step 3: Cross multiply
    1,422,508.79x = 1,963,077.63 × 777,915.14
  4. Step 4: Simplify right side
    1,422,508.79x = 1,527,107,807,682.06
  5. Step 5: Solve for x
    x = 1,527,107,807,682.06/1,422,508.79
  6. Step 6: Final answer
    x = 1,073,531.37

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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.