Home / 1,036,696.70-1,554,939.93-278,439.67

Finding the Fourth Proportional to 1,036,696.70, 1,554,939.93 and 278,439.67

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Solution

The fourth proportional to 1,036,696.70, 1,554,939.93 and 278,439.67 is: 417,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,696.70 : 1,554,939.93 = 278,439.67 : x
  2. Step 2: Convert to fraction form
    1,036,696.70/1,554,939.93 = 278,439.67/x
  3. Step 3: Cross multiply
    1,036,696.70x = 1,554,939.93 × 278,439.67
  4. Step 4: Simplify right side
    1,036,696.70x = 432,956,960,979.02
  5. Step 5: Solve for x
    x = 432,956,960,979.02/1,036,696.70
  6. Step 6: Final answer
    x = 417,631.27

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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.