Home / 1,048,961.16-1,447,795.62-666,913.32

Finding the Fourth Proportional to 1,048,961.16, 1,447,795.62 and 666,913.32

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Solution

The fourth proportional to 1,048,961.16, 1,447,795.62 and 666,913.32 is: 920,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,961.16 : 1,447,795.62 = 666,913.32 : x
  2. Step 2: Convert to fraction form
    1,048,961.16/1,447,795.62 = 666,913.32/x
  3. Step 3: Cross multiply
    1,048,961.16x = 1,447,795.62 × 666,913.32
  4. Step 4: Simplify right side
    1,048,961.16x = 965,554,183,615.66
  5. Step 5: Solve for x
    x = 965,554,183,615.66/1,048,961.16
  6. Step 6: Final answer
    x = 920,486.12

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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.