Home / 1,437,792-2,156,500.62-426,893.64

Finding the Fourth Proportional to 1,437,792, 2,156,500.62 and 426,893.64

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Solution

The fourth proportional to 1,437,792, 2,156,500.62 and 426,893.64 is: 640,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,792 : 2,156,500.62 = 426,893.64 : x
  2. Step 2: Convert to fraction form
    1,437,792/2,156,500.62 = 426,893.64/x
  3. Step 3: Cross multiply
    1,437,792x = 2,156,500.62 × 426,893.64
  4. Step 4: Simplify right side
    1,437,792x = 920,596,399,334.06
  5. Step 5: Solve for x
    x = 920,596,399,334.06/1,437,792
  6. Step 6: Final answer
    x = 640,284.83

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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.