Home / 1,690,508.21-2,535,918.64-611,290.13

Finding the Fourth Proportional to 1,690,508.21, 2,535,918.64 and 611,290.13

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Solution

The fourth proportional to 1,690,508.21, 2,535,918.64 and 611,290.13 is: 916,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,508.21 : 2,535,918.64 = 611,290.13 : x
  2. Step 2: Convert to fraction form
    1,690,508.21/2,535,918.64 = 611,290.13/x
  3. Step 3: Cross multiply
    1,690,508.21x = 2,535,918.64 × 611,290.13
  4. Step 4: Simplify right side
    1,690,508.21x = 1,550,182,020,907.20
  5. Step 5: Solve for x
    x = 1,550,182,020,907.20/1,690,508.21
  6. Step 6: Final answer
    x = 916,991.72

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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.