Home / 1,262,038.08-1,741,636.80-689,100.96

Finding the Fourth Proportional to 1,262,038.08, 1,741,636.80 and 689,100.96

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Solution

The fourth proportional to 1,262,038.08, 1,741,636.80 and 689,100.96 is: 950,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,038.08 : 1,741,636.80 = 689,100.96 : x
  2. Step 2: Convert to fraction form
    1,262,038.08/1,741,636.80 = 689,100.96/x
  3. Step 3: Cross multiply
    1,262,038.08x = 1,741,636.80 × 689,100.96
  4. Step 4: Simplify right side
    1,262,038.08x = 1,200,163,590,851.33
  5. Step 5: Solve for x
    x = 1,200,163,590,851.33/1,262,038.08
  6. Step 6: Final answer
    x = 950,972.57

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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.