Home / 1,618,630.68-2,429,171.28-909,255.36

Finding the Fourth Proportional to 1,618,630.68, 2,429,171.28 and 909,255.36

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Solution

The fourth proportional to 1,618,630.68, 2,429,171.28 and 909,255.36 is: 1,364,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,630.68 : 2,429,171.28 = 909,255.36 : x
  2. Step 2: Convert to fraction form
    1,618,630.68/2,429,171.28 = 909,255.36/x
  3. Step 3: Cross multiply
    1,618,630.68x = 2,429,171.28 × 909,255.36
  4. Step 4: Simplify right side
    1,618,630.68x = 2,208,737,006,698.06
  5. Step 5: Solve for x
    x = 2,208,737,006,698.06/1,618,630.68
  6. Step 6: Final answer
    x = 1,364,571.32

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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.