Home / 994,857.40-1,489,110.90-784,905.40

Finding the Fourth Proportional to 994,857.40, 1,489,110.90 and 784,905.40

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Solution

The fourth proportional to 994,857.40, 1,489,110.90 and 784,905.40 is: 1,174,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,857.40 : 1,489,110.90 = 784,905.40 : x
  2. Step 2: Convert to fraction form
    994,857.40/1,489,110.90 = 784,905.40/x
  3. Step 3: Cross multiply
    994,857.40x = 1,489,110.90 × 784,905.40
  4. Step 4: Simplify right side
    994,857.40x = 1,168,811,186,608.86
  5. Step 5: Solve for x
    x = 1,168,811,186,608.86/994,857.40
  6. Step 6: Final answer
    x = 1,174,852.99

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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.