Home / 1,678,010.52-2,315,658.70-914,069.64

Finding the Fourth Proportional to 1,678,010.52, 2,315,658.70 and 914,069.64

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Solution

The fourth proportional to 1,678,010.52, 2,315,658.70 and 914,069.64 is: 1,261,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,010.52 : 2,315,658.70 = 914,069.64 : x
  2. Step 2: Convert to fraction form
    1,678,010.52/2,315,658.70 = 914,069.64/x
  3. Step 3: Cross multiply
    1,678,010.52x = 2,315,658.70 × 914,069.64
  4. Step 4: Simplify right side
    1,678,010.52x = 2,116,673,314,271.87
  5. Step 5: Solve for x
    x = 2,116,673,314,271.87/1,678,010.52
  6. Step 6: Final answer
    x = 1,261,418.38

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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.