Home / 1,435,036.35-1,980,284.55-823,150.62

Finding the Fourth Proportional to 1,435,036.35, 1,980,284.55 and 823,150.62

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Solution

The fourth proportional to 1,435,036.35, 1,980,284.55 and 823,150.62 is: 1,135,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,036.35 : 1,980,284.55 = 823,150.62 : x
  2. Step 2: Convert to fraction form
    1,435,036.35/1,980,284.55 = 823,150.62/x
  3. Step 3: Cross multiply
    1,435,036.35x = 1,980,284.55 × 823,150.62
  4. Step 4: Simplify right side
    1,435,036.35x = 1,630,072,455,108.92
  5. Step 5: Solve for x
    x = 1,630,072,455,108.92/1,435,036.35
  6. Step 6: Final answer
    x = 1,135,910.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.