Home / 1,043,911.55-1,565,868.18-285,759.30

Finding the Fourth Proportional to 1,043,911.55, 1,565,868.18 and 285,759.30

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Solution

The fourth proportional to 1,043,911.55, 1,565,868.18 and 285,759.30 is: 428,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,911.55 : 1,565,868.18 = 285,759.30 : x
  2. Step 2: Convert to fraction form
    1,043,911.55/1,565,868.18 = 285,759.30/x
  3. Step 3: Cross multiply
    1,043,911.55x = 1,565,868.18 × 285,759.30
  4. Step 4: Simplify right side
    1,043,911.55x = 447,461,395,009.07
  5. Step 5: Solve for x
    x = 447,461,395,009.07/1,043,911.55
  6. Step 6: Final answer
    x = 428,639.19

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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.