Home / 1,210,486.85-1,815,730.28-804,579.65

Finding the Fourth Proportional to 1,210,486.85, 1,815,730.28 and 804,579.65

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Solution

The fourth proportional to 1,210,486.85, 1,815,730.28 and 804,579.65 is: 1,206,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,486.85 : 1,815,730.28 = 804,579.65 : x
  2. Step 2: Convert to fraction form
    1,210,486.85/1,815,730.28 = 804,579.65/x
  3. Step 3: Cross multiply
    1,210,486.85x = 1,815,730.28 × 804,579.65
  4. Step 4: Simplify right side
    1,210,486.85x = 1,460,899,633,176.80
  5. Step 5: Solve for x
    x = 1,460,899,633,176.80/1,210,486.85
  6. Step 6: Final answer
    x = 1,206,869.48

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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.