Home / 1,307,075.10-1,960,945.27-767,787.42

Finding the Fourth Proportional to 1,307,075.10, 1,960,945.27 and 767,787.42

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Solution

The fourth proportional to 1,307,075.10, 1,960,945.27 and 767,787.42 is: 1,151,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,075.10 : 1,960,945.27 = 767,787.42 : x
  2. Step 2: Convert to fraction form
    1,307,075.10/1,960,945.27 = 767,787.42/x
  3. Step 3: Cross multiply
    1,307,075.10x = 1,960,945.27 × 767,787.42
  4. Step 4: Simplify right side
    1,307,075.10x = 1,505,589,115,048.58
  5. Step 5: Solve for x
    x = 1,505,589,115,048.58/1,307,075.10
  6. Step 6: Final answer
    x = 1,151,876.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.