Home / 1,645,864.11-2,271,201.08-920,571.71

Finding the Fourth Proportional to 1,645,864.11, 2,271,201.08 and 920,571.71

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Solution

The fourth proportional to 1,645,864.11, 2,271,201.08 and 920,571.71 is: 1,270,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,864.11 : 2,271,201.08 = 920,571.71 : x
  2. Step 2: Convert to fraction form
    1,645,864.11/2,271,201.08 = 920,571.71/x
  3. Step 3: Cross multiply
    1,645,864.11x = 2,271,201.08 × 920,571.71
  4. Step 4: Simplify right side
    1,645,864.11x = 2,090,803,446,010.58
  5. Step 5: Solve for x
    x = 2,090,803,446,010.58/1,645,864.11
  6. Step 6: Final answer
    x = 1,270,337.83

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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.