Home / 1,437,672.27-2,156,139.36-426,555.03

Finding the Fourth Proportional to 1,437,672.27, 2,156,139.36 and 426,555.03

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Solution

The fourth proportional to 1,437,672.27, 2,156,139.36 and 426,555.03 is: 639,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,672.27 : 2,156,139.36 = 426,555.03 : x
  2. Step 2: Convert to fraction form
    1,437,672.27/2,156,139.36 = 426,555.03/x
  3. Step 3: Cross multiply
    1,437,672.27x = 2,156,139.36 × 426,555.03
  4. Step 4: Simplify right side
    1,437,672.27x = 919,712,089,388.98
  5. Step 5: Solve for x
    x = 919,712,089,388.98/1,437,672.27
  6. Step 6: Final answer
    x = 639,723.05

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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.