Home / 1,013,990.40-1,520,981.46-255,833.64

Finding the Fourth Proportional to 1,013,990.40, 1,520,981.46 and 255,833.64

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Solution

The fourth proportional to 1,013,990.40, 1,520,981.46 and 255,833.64 is: 383,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,990.40 : 1,520,981.46 = 255,833.64 : x
  2. Step 2: Convert to fraction form
    1,013,990.40/1,520,981.46 = 255,833.64/x
  3. Step 3: Cross multiply
    1,013,990.40x = 1,520,981.46 × 255,833.64
  4. Step 4: Simplify right side
    1,013,990.40x = 389,118,223,284.31
  5. Step 5: Solve for x
    x = 389,118,223,284.31/1,013,990.40
  6. Step 6: Final answer
    x = 383,749.42

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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.