Home / 1,420,954.04-1,960,893.40-776,360.36

Finding the Fourth Proportional to 1,420,954.04, 1,960,893.40 and 776,360.36

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Solution

The fourth proportional to 1,420,954.04, 1,960,893.40 and 776,360.36 is: 1,071,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,954.04 : 1,960,893.40 = 776,360.36 : x
  2. Step 2: Convert to fraction form
    1,420,954.04/1,960,893.40 = 776,360.36/x
  3. Step 3: Cross multiply
    1,420,954.04x = 1,960,893.40 × 776,360.36
  4. Step 4: Simplify right side
    1,420,954.04x = 1,522,359,905,945.62
  5. Step 5: Solve for x
    x = 1,522,359,905,945.62/1,420,954.04
  6. Step 6: Final answer
    x = 1,071,364.63

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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.