Home / 1,655,934.20-2,285,379.60-920,963.04

Finding the Fourth Proportional to 1,655,934.20, 2,285,379.60 and 920,963.04

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Solution

The fourth proportional to 1,655,934.20, 2,285,379.60 and 920,963.04 is: 1,271,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,934.20 : 2,285,379.60 = 920,963.04 : x
  2. Step 2: Convert to fraction form
    1,655,934.20/2,285,379.60 = 920,963.04/x
  3. Step 3: Cross multiply
    1,655,934.20x = 2,285,379.60 × 920,963.04
  4. Step 4: Simplify right side
    1,655,934.20x = 2,104,750,143,969.98
  5. Step 5: Solve for x
    x = 2,104,750,143,969.98/1,655,934.20
  6. Step 6: Final answer
    x = 1,271,034.89

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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.