Home / 1,207,832.25-1,666,829.58-663,990.96

Finding the Fourth Proportional to 1,207,832.25, 1,666,829.58 and 663,990.96

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Solution

The fourth proportional to 1,207,832.25, 1,666,829.58 and 663,990.96 is: 916,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,832.25 : 1,666,829.58 = 663,990.96 : x
  2. Step 2: Convert to fraction form
    1,207,832.25/1,666,829.58 = 663,990.96/x
  3. Step 3: Cross multiply
    1,207,832.25x = 1,666,829.58 × 663,990.96
  4. Step 4: Simplify right side
    1,207,832.25x = 1,106,759,772,980.60
  5. Step 5: Solve for x
    x = 1,106,759,772,980.60/1,207,832.25
  6. Step 6: Final answer
    x = 916,319.11

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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.