Home / 1,435,469.54-1,980,992.88-823,734.32

Finding the Fourth Proportional to 1,435,469.54, 1,980,992.88 and 823,734.32

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Solution

The fourth proportional to 1,435,469.54, 1,980,992.88 and 823,734.32 is: 1,136,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,469.54 : 1,980,992.88 = 823,734.32 : x
  2. Step 2: Convert to fraction form
    1,435,469.54/1,980,992.88 = 823,734.32/x
  3. Step 3: Cross multiply
    1,435,469.54x = 1,980,992.88 × 823,734.32
  4. Step 4: Simplify right side
    1,435,469.54x = 1,631,811,822,931.64
  5. Step 5: Solve for x
    x = 1,631,811,822,931.64/1,435,469.54
  6. Step 6: Final answer
    x = 1,136,779.14

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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.