Home / 1,220,433.73-1,684,868.89-833,830.45

Finding the Fourth Proportional to 1,220,433.73, 1,684,868.89 and 833,830.45

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Solution

The fourth proportional to 1,220,433.73, 1,684,868.89 and 833,830.45 is: 1,151,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,433.73 : 1,684,868.89 = 833,830.45 : x
  2. Step 2: Convert to fraction form
    1,220,433.73/1,684,868.89 = 833,830.45/x
  3. Step 3: Cross multiply
    1,220,433.73x = 1,684,868.89 × 833,830.45
  4. Step 4: Simplify right side
    1,220,433.73x = 1,404,894,984,739.70
  5. Step 5: Solve for x
    x = 1,404,894,984,739.70/1,220,433.73
  6. Step 6: Final answer
    x = 1,151,144.02

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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.