Home / 1,756,380-2,634,576.48-426,684

Finding the Fourth Proportional to 1,756,380, 2,634,576.48 and 426,684

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Solution

The fourth proportional to 1,756,380, 2,634,576.48 and 426,684 is: 640,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,380 : 2,634,576.48 = 426,684 : x
  2. Step 2: Convert to fraction form
    1,756,380/2,634,576.48 = 426,684/x
  3. Step 3: Cross multiply
    1,756,380x = 2,634,576.48 × 426,684
  4. Step 4: Simplify right side
    1,756,380x = 1,124,131,630,792.32
  5. Step 5: Solve for x
    x = 1,124,131,630,792.32/1,756,380
  6. Step 6: Final answer
    x = 640,027.57

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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.