Home / 1,209,597.47-1,669,244.66-658,315.25

Finding the Fourth Proportional to 1,209,597.47, 1,669,244.66 and 658,315.25

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Solution

The fourth proportional to 1,209,597.47, 1,669,244.66 and 658,315.25 is: 908,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,597.47 : 1,669,244.66 = 658,315.25 : x
  2. Step 2: Convert to fraction form
    1,209,597.47/1,669,244.66 = 658,315.25/x
  3. Step 3: Cross multiply
    1,209,597.47x = 1,669,244.66 × 658,315.25
  4. Step 4: Simplify right side
    1,209,597.47x = 1,098,889,204,021.27
  5. Step 5: Solve for x
    x = 1,098,889,204,021.27/1,209,597.47
  6. Step 6: Final answer
    x = 908,475.12

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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.