Home / 1,316,990.75-1,975,485.61-370,361.42

Finding the Fourth Proportional to 1,316,990.75, 1,975,485.61 and 370,361.42

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Solution

The fourth proportional to 1,316,990.75, 1,975,485.61 and 370,361.42 is: 555,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,990.75 : 1,975,485.61 = 370,361.42 : x
  2. Step 2: Convert to fraction form
    1,316,990.75/1,975,485.61 = 370,361.42/x
  3. Step 3: Cross multiply
    1,316,990.75x = 1,975,485.61 × 370,361.42
  4. Step 4: Simplify right side
    1,316,990.75x = 731,643,644,905.84
  5. Step 5: Solve for x
    x = 731,643,644,905.84/1,316,990.75
  6. Step 6: Final answer
    x = 555,541.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.