Home / 1,220,260.02-1,683,922.33-668,956.89

Finding the Fourth Proportional to 1,220,260.02, 1,683,922.33 and 668,956.89

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Solution

The fourth proportional to 1,220,260.02, 1,683,922.33 and 668,956.89 is: 923,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,260.02 : 1,683,922.33 = 668,956.89 : x
  2. Step 2: Convert to fraction form
    1,220,260.02/1,683,922.33 = 668,956.89/x
  3. Step 3: Cross multiply
    1,220,260.02x = 1,683,922.33 × 668,956.89
  4. Step 4: Simplify right side
    1,220,260.02x = 1,126,471,444,730.52
  5. Step 5: Solve for x
    x = 1,126,471,444,730.52/1,220,260.02
  6. Step 6: Final answer
    x = 923,140.50

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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.