Home / 1,385,979-1,912,651.14-750,075

Finding the Fourth Proportional to 1,385,979, 1,912,651.14 and 750,075

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Solution

The fourth proportional to 1,385,979, 1,912,651.14 and 750,075 is: 1,035,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,979 : 1,912,651.14 = 750,075 : x
  2. Step 2: Convert to fraction form
    1,385,979/1,912,651.14 = 750,075/x
  3. Step 3: Cross multiply
    1,385,979x = 1,912,651.14 × 750,075
  4. Step 4: Simplify right side
    1,385,979x = 1,434,631,803,835.50
  5. Step 5: Solve for x
    x = 1,434,631,803,835.50/1,385,979
  6. Step 6: Final answer
    x = 1,035,103.56

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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.