Home / 1,282,790.51-1,770,263.37-709,829.31

Finding the Fourth Proportional to 1,282,790.51, 1,770,263.37 and 709,829.31

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Solution

The fourth proportional to 1,282,790.51, 1,770,263.37 and 709,829.31 is: 979,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,790.51 : 1,770,263.37 = 709,829.31 : x
  2. Step 2: Convert to fraction form
    1,282,790.51/1,770,263.37 = 709,829.31/x
  3. Step 3: Cross multiply
    1,282,790.51x = 1,770,263.37 × 709,829.31
  4. Step 4: Simplify right side
    1,282,790.51x = 1,256,584,826,445.38
  5. Step 5: Solve for x
    x = 1,256,584,826,445.38/1,282,790.51
  6. Step 6: Final answer
    x = 979,571.35

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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.