Home / 1,709,261.26-2,358,600.49-1,020,837.57

Finding the Fourth Proportional to 1,709,261.26, 2,358,600.49 and 1,020,837.57

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Solution

The fourth proportional to 1,709,261.26, 2,358,600.49 and 1,020,837.57 is: 1,408,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,261.26 : 2,358,600.49 = 1,020,837.57 : x
  2. Step 2: Convert to fraction form
    1,709,261.26/2,358,600.49 = 1,020,837.57/x
  3. Step 3: Cross multiply
    1,709,261.26x = 2,358,600.49 × 1,020,837.57
  4. Step 4: Simplify right side
    1,709,261.26x = 2,407,747,985,243.70
  5. Step 5: Solve for x
    x = 2,407,747,985,243.70/1,709,261.26
  6. Step 6: Final answer
    x = 1,408,648.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.