Home / 1,432,228.03-2,148,596.28-472,736.45

Finding the Fourth Proportional to 1,432,228.03, 2,148,596.28 and 472,736.45

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Solution

The fourth proportional to 1,432,228.03, 2,148,596.28 and 472,736.45 is: 709,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,228.03 : 2,148,596.28 = 472,736.45 : x
  2. Step 2: Convert to fraction form
    1,432,228.03/2,148,596.28 = 472,736.45/x
  3. Step 3: Cross multiply
    1,432,228.03x = 2,148,596.28 × 472,736.45
  4. Step 4: Simplify right side
    1,432,228.03x = 1,015,719,783,261.90
  5. Step 5: Solve for x
    x = 1,015,719,783,261.90/1,432,228.03
  6. Step 6: Final answer
    x = 709,188.60

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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.