Home / 1,436,955.61-2,154,807.54-412,059.43

Finding the Fourth Proportional to 1,436,955.61, 2,154,807.54 and 412,059.43

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Solution

The fourth proportional to 1,436,955.61, 2,154,807.54 and 412,059.43 is: 617,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,955.61 : 2,154,807.54 = 412,059.43 : x
  2. Step 2: Convert to fraction form
    1,436,955.61/2,154,807.54 = 412,059.43/x
  3. Step 3: Cross multiply
    1,436,955.61x = 2,154,807.54 × 412,059.43
  4. Step 4: Simplify right side
    1,436,955.61x = 887,908,766,692.10
  5. Step 5: Solve for x
    x = 887,908,766,692.10/1,436,955.61
  6. Step 6: Final answer
    x = 617,909.67

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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.