Home / 1,138,060.80-1,570,569.48-654,625.80

Finding the Fourth Proportional to 1,138,060.80, 1,570,569.48 and 654,625.80

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Solution

The fourth proportional to 1,138,060.80, 1,570,569.48 and 654,625.80 is: 903,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,060.80 : 1,570,569.48 = 654,625.80 : x
  2. Step 2: Convert to fraction form
    1,138,060.80/1,570,569.48 = 654,625.80/x
  3. Step 3: Cross multiply
    1,138,060.80x = 1,570,569.48 × 654,625.80
  4. Step 4: Simplify right side
    1,138,060.80x = 1,028,135,302,300.58
  5. Step 5: Solve for x
    x = 1,028,135,302,300.58/1,138,060.80
  6. Step 6: Final answer
    x = 903,409.82

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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.