Home / 1,553,409.34-2,329,334.73-905,195.50

Finding the Fourth Proportional to 1,553,409.34, 2,329,334.73 and 905,195.50

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Solution

The fourth proportional to 1,553,409.34, 2,329,334.73 and 905,195.50 is: 1,357,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,409.34 : 2,329,334.73 = 905,195.50 : x
  2. Step 2: Convert to fraction form
    1,553,409.34/2,329,334.73 = 905,195.50/x
  3. Step 3: Cross multiply
    1,553,409.34x = 2,329,334.73 × 905,195.50
  4. Step 4: Simplify right side
    1,553,409.34x = 2,108,503,315,589.72
  5. Step 5: Solve for x
    x = 2,108,503,315,589.72/1,553,409.34
  6. Step 6: Final answer
    x = 1,357,339.15

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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.