Home / 963,942.58-1,329,058.29-782,139.70

Finding the Fourth Proportional to 963,942.58, 1,329,058.29 and 782,139.70

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Solution

The fourth proportional to 963,942.58, 1,329,058.29 and 782,139.70 is: 1,078,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,942.58 : 1,329,058.29 = 782,139.70 : x
  2. Step 2: Convert to fraction form
    963,942.58/1,329,058.29 = 782,139.70/x
  3. Step 3: Cross multiply
    963,942.58x = 1,329,058.29 × 782,139.70
  4. Step 4: Simplify right side
    963,942.58x = 1,039,509,252,223.11
  5. Step 5: Solve for x
    x = 1,039,509,252,223.11/963,942.58
  6. Step 6: Final answer
    x = 1,078,393.33

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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.