Home / 1,420,925.52-1,960,854.04-776,331.84

Finding the Fourth Proportional to 1,420,925.52, 1,960,854.04 and 776,331.84

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Solution

The fourth proportional to 1,420,925.52, 1,960,854.04 and 776,331.84 is: 1,071,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,925.52 : 1,960,854.04 = 776,331.84 : x
  2. Step 2: Convert to fraction form
    1,420,925.52/1,960,854.04 = 776,331.84/x
  3. Step 3: Cross multiply
    1,420,925.52x = 1,960,854.04 × 776,331.84
  4. Step 4: Simplify right side
    1,420,925.52x = 1,522,273,424,844.63
  5. Step 5: Solve for x
    x = 1,522,273,424,844.63/1,420,925.52
  6. Step 6: Final answer
    x = 1,071,325.28

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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.