Home / 1,608,925.62-2,220,076.71-920,488.13

Finding the Fourth Proportional to 1,608,925.62, 2,220,076.71 and 920,488.13

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Solution

The fourth proportional to 1,608,925.62, 2,220,076.71 and 920,488.13 is: 1,270,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,925.62 : 2,220,076.71 = 920,488.13 : x
  2. Step 2: Convert to fraction form
    1,608,925.62/2,220,076.71 = 920,488.13/x
  3. Step 3: Cross multiply
    1,608,925.62x = 2,220,076.71 × 920,488.13
  4. Step 4: Simplify right side
    1,608,925.62x = 2,043,554,248,144.07
  5. Step 5: Solve for x
    x = 2,043,554,248,144.07/1,608,925.62
  6. Step 6: Final answer
    x = 1,270,135.94

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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.