Home / 906,541.40-1,359,664.21-266,695.45

Finding the Fourth Proportional to 906,541.40, 1,359,664.21 and 266,695.45

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Solution

The fourth proportional to 906,541.40, 1,359,664.21 and 266,695.45 is: 399,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,541.40 : 1,359,664.21 = 266,695.45 : x
  2. Step 2: Convert to fraction form
    906,541.40/1,359,664.21 = 266,695.45/x
  3. Step 3: Cross multiply
    906,541.40x = 1,359,664.21 × 266,695.45
  4. Step 4: Simplify right side
    906,541.40x = 362,616,258,334.85
  5. Step 5: Solve for x
    x = 362,616,258,334.85/906,541.40
  6. Step 6: Final answer
    x = 399,999.67

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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.