Home / 1,638,250.80-2,456,720.10-572,744.40

Finding the Fourth Proportional to 1,638,250.80, 2,456,720.10 and 572,744.40

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Solution

The fourth proportional to 1,638,250.80, 2,456,720.10 and 572,744.40 is: 858,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,250.80 : 2,456,720.10 = 572,744.40 : x
  2. Step 2: Convert to fraction form
    1,638,250.80/2,456,720.10 = 572,744.40/x
  3. Step 3: Cross multiply
    1,638,250.80x = 2,456,720.10 × 572,744.40
  4. Step 4: Simplify right side
    1,638,250.80x = 1,407,072,679,642.44
  5. Step 5: Solve for x
    x = 1,407,072,679,642.44/1,638,250.80
  6. Step 6: Final answer
    x = 858,887.22

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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.