Home / 1,210,470.85-1,815,706.28-804,563.65

Finding the Fourth Proportional to 1,210,470.85, 1,815,706.28 and 804,563.65

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Solution

The fourth proportional to 1,210,470.85, 1,815,706.28 and 804,563.65 is: 1,206,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,470.85 : 1,815,706.28 = 804,563.65 : x
  2. Step 2: Convert to fraction form
    1,210,470.85/1,815,706.28 = 804,563.65/x
  3. Step 3: Cross multiply
    1,210,470.85x = 1,815,706.28 × 804,563.65
  4. Step 4: Simplify right side
    1,210,470.85x = 1,460,851,271,964.72
  5. Step 5: Solve for x
    x = 1,460,851,271,964.72/1,210,470.85
  6. Step 6: Final answer
    x = 1,206,845.48

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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.