Home / 990,553.20-1,485,829.80-833,089.20

Finding the Fourth Proportional to 990,553.20, 1,485,829.80 and 833,089.20

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Solution

The fourth proportional to 990,553.20, 1,485,829.80 and 833,089.20 is: 1,249,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,553.20 : 1,485,829.80 = 833,089.20 : x
  2. Step 2: Convert to fraction form
    990,553.20/1,485,829.80 = 833,089.20/x
  3. Step 3: Cross multiply
    990,553.20x = 1,485,829.80 × 833,089.20
  4. Step 4: Simplify right side
    990,553.20x = 1,237,828,759,418.16
  5. Step 5: Solve for x
    x = 1,237,828,759,418.16/990,553.20
  6. Step 6: Final answer
    x = 1,249,633.80

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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.