Home / 1,054,154.94-1,581,527.66-423,511.62

Finding the Fourth Proportional to 1,054,154.94, 1,581,527.66 and 423,511.62

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Solution

The fourth proportional to 1,054,154.94, 1,581,527.66 and 423,511.62 is: 635,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,154.94 : 1,581,527.66 = 423,511.62 : x
  2. Step 2: Convert to fraction form
    1,054,154.94/1,581,527.66 = 423,511.62/x
  3. Step 3: Cross multiply
    1,054,154.94x = 1,581,527.66 × 423,511.62
  4. Step 4: Simplify right side
    1,054,154.94x = 669,795,339,243.85
  5. Step 5: Solve for x
    x = 669,795,339,243.85/1,054,154.94
  6. Step 6: Final answer
    x = 635,386.05

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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.