Home / 1,708,860.49-2,561,782.24-644,649.89

Finding the Fourth Proportional to 1,708,860.49, 2,561,782.24 and 644,649.89

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Solution

The fourth proportional to 1,708,860.49, 2,561,782.24 and 644,649.89 is: 966,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,860.49 : 2,561,782.24 = 644,649.89 : x
  2. Step 2: Convert to fraction form
    1,708,860.49/2,561,782.24 = 644,649.89/x
  3. Step 3: Cross multiply
    1,708,860.49x = 2,561,782.24 × 644,649.89
  4. Step 4: Simplify right side
    1,708,860.49x = 1,651,452,641,626.88
  5. Step 5: Solve for x
    x = 1,651,452,641,626.88/1,708,860.49
  6. Step 6: Final answer
    x = 966,405.77

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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.