Home / 1,523,246.31-2,102,311.43-972,199.90

Finding the Fourth Proportional to 1,523,246.31, 2,102,311.43 and 972,199.90

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Solution

The fourth proportional to 1,523,246.31, 2,102,311.43 and 972,199.90 is: 1,341,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,246.31 : 2,102,311.43 = 972,199.90 : x
  2. Step 2: Convert to fraction form
    1,523,246.31/2,102,311.43 = 972,199.90/x
  3. Step 3: Cross multiply
    1,523,246.31x = 2,102,311.43 × 972,199.90
  4. Step 4: Simplify right side
    1,523,246.31x = 2,043,866,963,427.50
  5. Step 5: Solve for x
    x = 2,043,866,963,427.50/1,523,246.31
  6. Step 6: Final answer
    x = 1,341,783.63

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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.