Home / 1,494,235.84-2,062,004.64-815,172.16

Finding the Fourth Proportional to 1,494,235.84, 2,062,004.64 and 815,172.16

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Solution

The fourth proportional to 1,494,235.84, 2,062,004.64 and 815,172.16 is: 1,124,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,235.84 : 2,062,004.64 = 815,172.16 : x
  2. Step 2: Convert to fraction form
    1,494,235.84/2,062,004.64 = 815,172.16/x
  3. Step 3: Cross multiply
    1,494,235.84x = 2,062,004.64 × 815,172.16
  4. Step 4: Simplify right side
    1,494,235.84x = 1,680,888,776,318.82
  5. Step 5: Solve for x
    x = 1,680,888,776,318.82/1,494,235.84
  6. Step 6: Final answer
    x = 1,124,915.31

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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.