Home / 1,210,468.85-1,815,703.28-804,561.65

Finding the Fourth Proportional to 1,210,468.85, 1,815,703.28 and 804,561.65

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Solution

The fourth proportional to 1,210,468.85, 1,815,703.28 and 804,561.65 is: 1,206,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,468.85 : 1,815,703.28 = 804,561.65 : x
  2. Step 2: Convert to fraction form
    1,210,468.85/1,815,703.28 = 804,561.65/x
  3. Step 3: Cross multiply
    1,210,468.85x = 1,815,703.28 × 804,561.65
  4. Step 4: Simplify right side
    1,210,468.85x = 1,460,845,222,844.40
  5. Step 5: Solve for x
    x = 1,460,845,222,844.40/1,210,468.85
  6. Step 6: Final answer
    x = 1,206,842.48

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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.