Home / 1,646,359.20-2,272,328.64-1,001,986.92

Finding the Fourth Proportional to 1,646,359.20, 2,272,328.64 and 1,001,986.92

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Solution

The fourth proportional to 1,646,359.20, 2,272,328.64 and 1,001,986.92 is: 1,382,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,359.20 : 2,272,328.64 = 1,001,986.92 : x
  2. Step 2: Convert to fraction form
    1,646,359.20/2,272,328.64 = 1,001,986.92/x
  3. Step 3: Cross multiply
    1,646,359.20x = 2,272,328.64 × 1,001,986.92
  4. Step 4: Simplify right side
    1,646,359.20x = 2,276,843,575,221.39
  5. Step 5: Solve for x
    x = 2,276,843,575,221.39/1,646,359.20
  6. Step 6: Final answer
    x = 1,382,956.75

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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.