Home / 909,986.40-1,364,979.60-892,271.70

Finding the Fourth Proportional to 909,986.40, 1,364,979.60 and 892,271.70

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Solution

The fourth proportional to 909,986.40, 1,364,979.60 and 892,271.70 is: 1,338,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,986.40 : 1,364,979.60 = 892,271.70 : x
  2. Step 2: Convert to fraction form
    909,986.40/1,364,979.60 = 892,271.70/x
  3. Step 3: Cross multiply
    909,986.40x = 1,364,979.60 × 892,271.70
  4. Step 4: Simplify right side
    909,986.40x = 1,217,932,668,157.32
  5. Step 5: Solve for x
    x = 1,217,932,668,157.32/909,986.40
  6. Step 6: Final answer
    x = 1,338,407.55

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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.