Home / 1,420,884.54-1,960,848.95-776,344.77

Finding the Fourth Proportional to 1,420,884.54, 1,960,848.95 and 776,344.77

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Solution

The fourth proportional to 1,420,884.54, 1,960,848.95 and 776,344.77 is: 1,071,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,884.54 : 1,960,848.95 = 776,344.77 : x
  2. Step 2: Convert to fraction form
    1,420,884.54/1,960,848.95 = 776,344.77/x
  3. Step 3: Cross multiply
    1,420,884.54x = 1,960,848.95 × 776,344.77
  4. Step 4: Simplify right side
    1,420,884.54x = 1,522,294,823,210.77
  5. Step 5: Solve for x
    x = 1,522,294,823,210.77/1,420,884.54
  6. Step 6: Final answer
    x = 1,071,371.23

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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.