Home / 1,083,843.61-1,492,291.78-920,176.40

Finding the Fourth Proportional to 1,083,843.61, 1,492,291.78 and 920,176.40

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Solution

The fourth proportional to 1,083,843.61, 1,492,291.78 and 920,176.40 is: 1,266,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,843.61 : 1,492,291.78 = 920,176.40 : x
  2. Step 2: Convert to fraction form
    1,083,843.61/1,492,291.78 = 920,176.40/x
  3. Step 3: Cross multiply
    1,083,843.61x = 1,492,291.78 × 920,176.40
  4. Step 4: Simplify right side
    1,083,843.61x = 1,373,171,673,494.14
  5. Step 5: Solve for x
    x = 1,373,171,673,494.14/1,083,843.61
  6. Step 6: Final answer
    x = 1,266,946.32

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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.