Home / 1,430,517.48-1,974,148.92-785,979.48

Finding the Fourth Proportional to 1,430,517.48, 1,974,148.92 and 785,979.48

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Solution

The fourth proportional to 1,430,517.48, 1,974,148.92 and 785,979.48 is: 1,084,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,517.48 : 1,974,148.92 = 785,979.48 : x
  2. Step 2: Convert to fraction form
    1,430,517.48/1,974,148.92 = 785,979.48/x
  3. Step 3: Cross multiply
    1,430,517.48x = 1,974,148.92 × 785,979.48
  4. Step 4: Simplify right side
    1,430,517.48x = 1,551,640,541,584.16
  5. Step 5: Solve for x
    x = 1,551,640,541,584.16/1,430,517.48
  6. Step 6: Final answer
    x = 1,084,670.80

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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.