Home / 977,515.78-1,348,492.42-848,272.86

Finding the Fourth Proportional to 977,515.78, 1,348,492.42 and 848,272.86

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Solution

The fourth proportional to 977,515.78, 1,348,492.42 and 848,272.86 is: 1,170,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,515.78 : 1,348,492.42 = 848,272.86 : x
  2. Step 2: Convert to fraction form
    977,515.78/1,348,492.42 = 848,272.86/x
  3. Step 3: Cross multiply
    977,515.78x = 1,348,492.42 × 848,272.86
  4. Step 4: Simplify right side
    977,515.78x = 1,143,889,521,801.72
  5. Step 5: Solve for x
    x = 1,143,889,521,801.72/977,515.78
  6. Step 6: Final answer
    x = 1,170,200.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.