Home / 1,646,043.66-2,271,628.50-920,848.13

Finding the Fourth Proportional to 1,646,043.66, 2,271,628.50 and 920,848.13

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Solution

The fourth proportional to 1,646,043.66, 2,271,628.50 and 920,848.13 is: 1,270,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,043.66 : 2,271,628.50 = 920,848.13 : x
  2. Step 2: Convert to fraction form
    1,646,043.66/2,271,628.50 = 920,848.13/x
  3. Step 3: Cross multiply
    1,646,043.66x = 2,271,628.50 × 920,848.13
  4. Step 4: Simplify right side
    1,646,043.66x = 2,091,824,849,986.99
  5. Step 5: Solve for x
    x = 2,091,824,849,986.99/1,646,043.66
  6. Step 6: Final answer
    x = 1,270,819.78

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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.