Home / 1,688,825.52-2,330,582.76-914,464.80

Finding the Fourth Proportional to 1,688,825.52, 2,330,582.76 and 914,464.80

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Solution

The fourth proportional to 1,688,825.52, 2,330,582.76 and 914,464.80 is: 1,261,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,825.52 : 2,330,582.76 = 914,464.80 : x
  2. Step 2: Convert to fraction form
    1,688,825.52/2,330,582.76 = 914,464.80/x
  3. Step 3: Cross multiply
    1,688,825.52x = 2,330,582.76 × 914,464.80
  4. Step 4: Simplify right side
    1,688,825.52x = 2,131,235,897,506.85
  5. Step 5: Solve for x
    x = 2,131,235,897,506.85/1,688,825.52
  6. Step 6: Final answer
    x = 1,261,963.34

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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.