Home / 1,412,440.40-2,115,161.40-906,222.80

Finding the Fourth Proportional to 1,412,440.40, 2,115,161.40 and 906,222.80

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Solution

The fourth proportional to 1,412,440.40, 2,115,161.40 and 906,222.80 is: 1,357,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,440.40 : 2,115,161.40 = 906,222.80 : x
  2. Step 2: Convert to fraction form
    1,412,440.40/2,115,161.40 = 906,222.80/x
  3. Step 3: Cross multiply
    1,412,440.40x = 2,115,161.40 × 906,222.80
  4. Step 4: Simplify right side
    1,412,440.40x = 1,916,807,486,359.92
  5. Step 5: Solve for x
    x = 1,916,807,486,359.92/1,412,440.40
  6. Step 6: Final answer
    x = 1,357,089.11

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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.