Home / 1,661,578.10-2,490,617.55-650,309.30

Finding the Fourth Proportional to 1,661,578.10, 2,490,617.55 and 650,309.30

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Solution

The fourth proportional to 1,661,578.10, 2,490,617.55 and 650,309.30 is: 974,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,578.10 : 2,490,617.55 = 650,309.30 : x
  2. Step 2: Convert to fraction form
    1,661,578.10/2,490,617.55 = 650,309.30/x
  3. Step 3: Cross multiply
    1,661,578.10x = 2,490,617.55 × 650,309.30
  4. Step 4: Simplify right side
    1,661,578.10x = 1,619,671,755,508.22
  5. Step 5: Solve for x
    x = 1,619,671,755,508.22/1,661,578.10
  6. Step 6: Final answer
    x = 974,779.19

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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.