Home / 1,075,625.40-1,609,938.90-837,679.80

Finding the Fourth Proportional to 1,075,625.40, 1,609,938.90 and 837,679.80

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Solution

The fourth proportional to 1,075,625.40, 1,609,938.90 and 837,679.80 is: 1,253,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,625.40 : 1,609,938.90 = 837,679.80 : x
  2. Step 2: Convert to fraction form
    1,075,625.40/1,609,938.90 = 837,679.80/x
  3. Step 3: Cross multiply
    1,075,625.40x = 1,609,938.90 × 837,679.80
  4. Step 4: Simplify right side
    1,075,625.40x = 1,348,613,295,764.22
  5. Step 5: Solve for x
    x = 1,348,613,295,764.22/1,075,625.40
  6. Step 6: Final answer
    x = 1,253,794.58

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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.