Home / 1,205,422.28-1,808,409.51-522,423.75

Finding the Fourth Proportional to 1,205,422.28, 1,808,409.51 and 522,423.75

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Solution

The fourth proportional to 1,205,422.28, 1,808,409.51 and 522,423.75 is: 783,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,422.28 : 1,808,409.51 = 522,423.75 : x
  2. Step 2: Convert to fraction form
    1,205,422.28/1,808,409.51 = 522,423.75/x
  3. Step 3: Cross multiply
    1,205,422.28x = 1,808,409.51 × 522,423.75
  4. Step 4: Simplify right side
    1,205,422.28x = 944,756,077,749.86
  5. Step 5: Solve for x
    x = 944,756,077,749.86/1,205,422.28
  6. Step 6: Final answer
    x = 783,755.28

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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.