Home / 1,384,942.23-1,911,316.95-773,215.20

Finding the Fourth Proportional to 1,384,942.23, 1,911,316.95 and 773,215.20

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Solution

The fourth proportional to 1,384,942.23, 1,911,316.95 and 773,215.20 is: 1,067,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,942.23 : 1,911,316.95 = 773,215.20 : x
  2. Step 2: Convert to fraction form
    1,384,942.23/1,911,316.95 = 773,215.20/x
  3. Step 3: Cross multiply
    1,384,942.23x = 1,911,316.95 × 773,215.20
  4. Step 4: Simplify right side
    1,384,942.23x = 1,477,859,317,757.64
  5. Step 5: Solve for x
    x = 1,477,859,317,757.64/1,384,942.23
  6. Step 6: Final answer
    x = 1,067,090.95

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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.