Home / 1,420,295.31-1,959,977.16-775,718.01

Finding the Fourth Proportional to 1,420,295.31, 1,959,977.16 and 775,718.01

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Solution

The fourth proportional to 1,420,295.31, 1,959,977.16 and 775,718.01 is: 1,070,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,295.31 : 1,959,977.16 = 775,718.01 : x
  2. Step 2: Convert to fraction form
    1,420,295.31/1,959,977.16 = 775,718.01/x
  3. Step 3: Cross multiply
    1,420,295.31x = 1,959,977.16 × 775,718.01
  4. Step 4: Simplify right side
    1,420,295.31x = 1,520,389,582,200.65
  5. Step 5: Solve for x
    x = 1,520,389,582,200.65/1,420,295.31
  6. Step 6: Final answer
    x = 1,070,474.27

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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.