Home / 1,420,925.47-1,960,853.96-776,331.79

Finding the Fourth Proportional to 1,420,925.47, 1,960,853.96 and 776,331.79

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Solution

The fourth proportional to 1,420,925.47, 1,960,853.96 and 776,331.79 is: 1,071,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,925.47 : 1,960,853.96 = 776,331.79 : x
  2. Step 2: Convert to fraction form
    1,420,925.47/1,960,853.96 = 776,331.79/x
  3. Step 3: Cross multiply
    1,420,925.47x = 1,960,853.96 × 776,331.79
  4. Step 4: Simplify right side
    1,420,925.47x = 1,522,273,261,734.08
  5. Step 5: Solve for x
    x = 1,522,273,261,734.08/1,420,925.47
  6. Step 6: Final answer
    x = 1,071,325.20

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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.