Home / 1,315,824-1,815,942.64-1,046,117.68

Finding the Fourth Proportional to 1,315,824, 1,815,942.64 and 1,046,117.68

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Solution

The fourth proportional to 1,315,824, 1,815,942.64 and 1,046,117.68 is: 1,443,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,824 : 1,815,942.64 = 1,046,117.68 : x
  2. Step 2: Convert to fraction form
    1,315,824/1,815,942.64 = 1,046,117.68/x
  3. Step 3: Cross multiply
    1,315,824x = 1,815,942.64 × 1,046,117.68
  4. Step 4: Simplify right side
    1,315,824x = 1,899,689,701,569.88
  5. Step 5: Solve for x
    x = 1,899,689,701,569.88/1,315,824
  6. Step 6: Final answer
    x = 1,443,726.29

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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.