Home / 1,107,548.70-1,661,323.05-930,401.70

Finding the Fourth Proportional to 1,107,548.70, 1,661,323.05 and 930,401.70

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Solution

The fourth proportional to 1,107,548.70, 1,661,323.05 and 930,401.70 is: 1,395,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,548.70 : 1,661,323.05 = 930,401.70 : x
  2. Step 2: Convert to fraction form
    1,107,548.70/1,661,323.05 = 930,401.70/x
  3. Step 3: Cross multiply
    1,107,548.70x = 1,661,323.05 × 930,401.70
  4. Step 4: Simplify right side
    1,107,548.70x = 1,545,697,789,969.19
  5. Step 5: Solve for x
    x = 1,545,697,789,969.19/1,107,548.70
  6. Step 6: Final answer
    x = 1,395,602.55

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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.