Home / 1,437,850.89-1,984,164.80-784,438.16

Finding the Fourth Proportional to 1,437,850.89, 1,984,164.80 and 784,438.16

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Solution

The fourth proportional to 1,437,850.89, 1,984,164.80 and 784,438.16 is: 1,082,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,850.89 : 1,984,164.80 = 784,438.16 : x
  2. Step 2: Convert to fraction form
    1,437,850.89/1,984,164.80 = 784,438.16/x
  3. Step 3: Cross multiply
    1,437,850.89x = 1,984,164.80 × 784,438.16
  4. Step 4: Simplify right side
    1,437,850.89x = 1,556,454,571,005.75
  5. Step 5: Solve for x
    x = 1,556,454,571,005.75/1,437,850.89
  6. Step 6: Final answer
    x = 1,082,486.77

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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.