Home / 1,461,059.51-2,016,256.28-816,479.53

Finding the Fourth Proportional to 1,461,059.51, 2,016,256.28 and 816,479.53

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Solution

The fourth proportional to 1,461,059.51, 2,016,256.28 and 816,479.53 is: 1,126,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,059.51 : 2,016,256.28 = 816,479.53 : x
  2. Step 2: Convert to fraction form
    1,461,059.51/2,016,256.28 = 816,479.53/x
  3. Step 3: Cross multiply
    1,461,059.51x = 2,016,256.28 × 816,479.53
  4. Step 4: Simplify right side
    1,461,059.51x = 1,646,231,970,730.91
  5. Step 5: Solve for x
    x = 1,646,231,970,730.91/1,461,059.51
  6. Step 6: Final answer
    x = 1,126,738.48

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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.