Home / 898,435.72-1,343,560.24-670,891.13

Finding the Fourth Proportional to 898,435.72, 1,343,560.24 and 670,891.13

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Solution

The fourth proportional to 898,435.72, 1,343,560.24 and 670,891.13 is: 1,003,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,435.72 : 1,343,560.24 = 670,891.13 : x
  2. Step 2: Convert to fraction form
    898,435.72/1,343,560.24 = 670,891.13/x
  3. Step 3: Cross multiply
    898,435.72x = 1,343,560.24 × 670,891.13
  4. Step 4: Simplify right side
    898,435.72x = 901,382,640,918.87
  5. Step 5: Solve for x
    x = 901,382,640,918.87/898,435.72
  6. Step 6: Final answer
    x = 1,003,280.06

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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.