Home / 1,413,621.46-2,120,422.29-572,161.06

Finding the Fourth Proportional to 1,413,621.46, 2,120,422.29 and 572,161.06

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Solution

The fourth proportional to 1,413,621.46, 2,120,422.29 and 572,161.06 is: 858,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,621.46 : 2,120,422.29 = 572,161.06 : x
  2. Step 2: Convert to fraction form
    1,413,621.46/2,120,422.29 = 572,161.06/x
  3. Step 3: Cross multiply
    1,413,621.46x = 2,120,422.29 × 572,161.06
  4. Step 4: Simplify right side
    1,413,621.46x = 1,213,223,065,094.03
  5. Step 5: Solve for x
    x = 1,213,223,065,094.03/1,413,621.46
  6. Step 6: Final answer
    x = 858,237.58

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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.