Home / 1,132,531.68-1,698,801.01-279,603.42

Finding the Fourth Proportional to 1,132,531.68, 1,698,801.01 and 279,603.42

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Solution

The fourth proportional to 1,132,531.68, 1,698,801.01 and 279,603.42 is: 419,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,531.68 : 1,698,801.01 = 279,603.42 : x
  2. Step 2: Convert to fraction form
    1,132,531.68/1,698,801.01 = 279,603.42/x
  3. Step 3: Cross multiply
    1,132,531.68x = 1,698,801.01 × 279,603.42
  4. Step 4: Simplify right side
    1,132,531.68x = 474,990,572,295.45
  5. Step 5: Solve for x
    x = 474,990,572,295.45/1,132,531.68
  6. Step 6: Final answer
    x = 419,405.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.