Home / 1,545,967.83-2,133,438.08-857,639.67

Finding the Fourth Proportional to 1,545,967.83, 2,133,438.08 and 857,639.67

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Solution

The fourth proportional to 1,545,967.83, 2,133,438.08 and 857,639.67 is: 1,183,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,967.83 : 2,133,438.08 = 857,639.67 : x
  2. Step 2: Convert to fraction form
    1,545,967.83/2,133,438.08 = 857,639.67/x
  3. Step 3: Cross multiply
    1,545,967.83x = 2,133,438.08 × 857,639.67
  4. Step 4: Simplify right side
    1,545,967.83x = 1,829,721,133,040.73
  5. Step 5: Solve for x
    x = 1,829,721,133,040.73/1,545,967.83
  6. Step 6: Final answer
    x = 1,183,544.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.