Home / 1,781,326-2,458,385.40-976,665.52

Finding the Fourth Proportional to 1,781,326, 2,458,385.40 and 976,665.52

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Solution

The fourth proportional to 1,781,326, 2,458,385.40 and 976,665.52 is: 1,347,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,326 : 2,458,385.40 = 976,665.52 : x
  2. Step 2: Convert to fraction form
    1,781,326/2,458,385.40 = 976,665.52/x
  3. Step 3: Cross multiply
    1,781,326x = 2,458,385.40 × 976,665.52
  4. Step 4: Simplify right side
    1,781,326x = 2,401,020,255,051.41
  5. Step 5: Solve for x
    x = 2,401,020,255,051.41/1,781,326
  6. Step 6: Final answer
    x = 1,347,883.69

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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.