Home / 1,762,560.40-2,644,531.80-640,742.80

Finding the Fourth Proportional to 1,762,560.40, 2,644,531.80 and 640,742.80

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Solution

The fourth proportional to 1,762,560.40, 2,644,531.80 and 640,742.80 is: 961,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,560.40 : 2,644,531.80 = 640,742.80 : x
  2. Step 2: Convert to fraction form
    1,762,560.40/2,644,531.80 = 640,742.80/x
  3. Step 3: Cross multiply
    1,762,560.40x = 2,644,531.80 × 640,742.80
  4. Step 4: Simplify right side
    1,762,560.40x = 1,694,464,710,221.04
  5. Step 5: Solve for x
    x = 1,694,464,710,221.04/1,762,560.40
  6. Step 6: Final answer
    x = 961,365.47

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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.