Home / 915,596.80-1,370,630.40-805,004.80

Finding the Fourth Proportional to 915,596.80, 1,370,630.40 and 805,004.80

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Solution

The fourth proportional to 915,596.80, 1,370,630.40 and 805,004.80 is: 1,205,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,596.80 : 1,370,630.40 = 805,004.80 : x
  2. Step 2: Convert to fraction form
    915,596.80/1,370,630.40 = 805,004.80/x
  3. Step 3: Cross multiply
    915,596.80x = 1,370,630.40 × 805,004.80
  4. Step 4: Simplify right side
    915,596.80x = 1,103,364,051,025.92
  5. Step 5: Solve for x
    x = 1,103,364,051,025.92/915,596.80
  6. Step 6: Final answer
    x = 1,205,076.35

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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.