Home / 1,421,352.37-1,961,471.33-776,772.39

Finding the Fourth Proportional to 1,421,352.37, 1,961,471.33 and 776,772.39

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Solution

The fourth proportional to 1,421,352.37, 1,961,471.33 and 776,772.39 is: 1,071,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,352.37 : 1,961,471.33 = 776,772.39 : x
  2. Step 2: Convert to fraction form
    1,421,352.37/1,961,471.33 = 776,772.39/x
  3. Step 3: Cross multiply
    1,421,352.37x = 1,961,471.33 × 776,772.39
  4. Step 4: Simplify right side
    1,421,352.37x = 1,523,616,772,920.58
  5. Step 5: Solve for x
    x = 1,523,616,772,920.58/1,421,352.37
  6. Step 6: Final answer
    x = 1,071,948.66

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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.