Home / 1,098,991.80-1,648,487.70-833,271.30

Finding the Fourth Proportional to 1,098,991.80, 1,648,487.70 and 833,271.30

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Solution

The fourth proportional to 1,098,991.80, 1,648,487.70 and 833,271.30 is: 1,249,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,991.80 : 1,648,487.70 = 833,271.30 : x
  2. Step 2: Convert to fraction form
    1,098,991.80/1,648,487.70 = 833,271.30/x
  3. Step 3: Cross multiply
    1,098,991.80x = 1,648,487.70 × 833,271.30
  4. Step 4: Simplify right side
    1,098,991.80x = 1,373,637,488,813.01
  5. Step 5: Solve for x
    x = 1,373,637,488,813.01/1,098,991.80
  6. Step 6: Final answer
    x = 1,249,906.95

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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.