Home / 1,220,599.58-1,684,424.40-676,721.43

Finding the Fourth Proportional to 1,220,599.58, 1,684,424.40 and 676,721.43

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Solution

The fourth proportional to 1,220,599.58, 1,684,424.40 and 676,721.43 is: 933,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,599.58 : 1,684,424.40 = 676,721.43 : x
  2. Step 2: Convert to fraction form
    1,220,599.58/1,684,424.40 = 676,721.43/x
  3. Step 3: Cross multiply
    1,220,599.58x = 1,684,424.40 × 676,721.43
  4. Step 4: Simplify right side
    1,220,599.58x = 1,139,886,088,694.89
  5. Step 5: Solve for x
    x = 1,139,886,088,694.89/1,220,599.58
  6. Step 6: Final answer
    x = 933,873.90

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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.