Home / 990,593.70-1,485,890.55-833,129.70

Finding the Fourth Proportional to 990,593.70, 1,485,890.55 and 833,129.70

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Solution

The fourth proportional to 990,593.70, 1,485,890.55 and 833,129.70 is: 1,249,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,593.70 : 1,485,890.55 = 833,129.70 : x
  2. Step 2: Convert to fraction form
    990,593.70/1,485,890.55 = 833,129.70/x
  3. Step 3: Cross multiply
    990,593.70x = 1,485,890.55 × 833,129.70
  4. Step 4: Simplify right side
    990,593.70x = 1,237,939,548,154.34
  5. Step 5: Solve for x
    x = 1,237,939,548,154.34/990,593.70
  6. Step 6: Final answer
    x = 1,249,694.55

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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.