Home / 1,465,639.87-2,198,354.20-454,735.80

Finding the Fourth Proportional to 1,465,639.87, 2,198,354.20 and 454,735.80

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Solution

The fourth proportional to 1,465,639.87, 2,198,354.20 and 454,735.80 is: 682,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,639.87 : 2,198,354.20 = 454,735.80 : x
  2. Step 2: Convert to fraction form
    1,465,639.87/2,198,354.20 = 454,735.80/x
  3. Step 3: Cross multiply
    1,465,639.87x = 2,198,354.20 × 454,735.80
  4. Step 4: Simplify right side
    1,465,639.87x = 999,670,349,779.59
  5. Step 5: Solve for x
    x = 999,670,349,779.59/1,465,639.87
  6. Step 6: Final answer
    x = 682,070.93

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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.