Home / 1,220,437.98-1,684,994.94-785,050.02

Finding the Fourth Proportional to 1,220,437.98, 1,684,994.94 and 785,050.02

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Solution

The fourth proportional to 1,220,437.98, 1,684,994.94 and 785,050.02 is: 1,083,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,437.98 : 1,684,994.94 = 785,050.02 : x
  2. Step 2: Convert to fraction form
    1,220,437.98/1,684,994.94 = 785,050.02/x
  3. Step 3: Cross multiply
    1,220,437.98x = 1,684,994.94 × 785,050.02
  4. Step 4: Simplify right side
    1,220,437.98x = 1,322,805,311,346.90
  5. Step 5: Solve for x
    x = 1,322,805,311,346.90/1,220,437.98
  6. Step 6: Final answer
    x = 1,083,877.54

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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.