Home / 1,047,220.29-1,570,846.23-398,832.37

Finding the Fourth Proportional to 1,047,220.29, 1,570,846.23 and 398,832.37

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Solution

The fourth proportional to 1,047,220.29, 1,570,846.23 and 398,832.37 is: 598,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,220.29 : 1,570,846.23 = 398,832.37 : x
  2. Step 2: Convert to fraction form
    1,047,220.29/1,570,846.23 = 398,832.37/x
  3. Step 3: Cross multiply
    1,047,220.29x = 1,570,846.23 × 398,832.37
  4. Step 4: Simplify right side
    1,047,220.29x = 626,504,329,725.36
  5. Step 5: Solve for x
    x = 626,504,329,725.36/1,047,220.29
  6. Step 6: Final answer
    x = 598,254.58

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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.