Home / 1,199,251.48-1,798,680.16-430,590.06

Finding the Fourth Proportional to 1,199,251.48, 1,798,680.16 and 430,590.06

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Solution

The fourth proportional to 1,199,251.48, 1,798,680.16 and 430,590.06 is: 645,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,251.48 : 1,798,680.16 = 430,590.06 : x
  2. Step 2: Convert to fraction form
    1,199,251.48/1,798,680.16 = 430,590.06/x
  3. Step 3: Cross multiply
    1,199,251.48x = 1,798,680.16 × 430,590.06
  4. Step 4: Simplify right side
    1,199,251.48x = 774,493,798,015.21
  5. Step 5: Solve for x
    x = 774,493,798,015.21/1,199,251.48
  6. Step 6: Final answer
    x = 645,814.34

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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.