Home / 1,645,610.88-2,271,153.36-920,498.88

Finding the Fourth Proportional to 1,645,610.88, 2,271,153.36 and 920,498.88

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Solution

The fourth proportional to 1,645,610.88, 2,271,153.36 and 920,498.88 is: 1,270,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,610.88 : 2,271,153.36 = 920,498.88 : x
  2. Step 2: Convert to fraction form
    1,645,610.88/2,271,153.36 = 920,498.88/x
  3. Step 3: Cross multiply
    1,645,610.88x = 2,271,153.36 × 920,498.88
  4. Step 4: Simplify right side
    1,645,610.88x = 2,090,594,124,188.24
  5. Step 5: Solve for x
    x = 2,090,594,124,188.24/1,645,610.88
  6. Step 6: Final answer
    x = 1,270,406.11

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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.