Home / 1,036,678.58-1,554,912.72-278,421.50

Finding the Fourth Proportional to 1,036,678.58, 1,554,912.72 and 278,421.50

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Solution

The fourth proportional to 1,036,678.58, 1,554,912.72 and 278,421.50 is: 417,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,678.58 : 1,554,912.72 = 278,421.50 : x
  2. Step 2: Convert to fraction form
    1,036,678.58/1,554,912.72 = 278,421.50/x
  3. Step 3: Cross multiply
    1,036,678.58x = 1,554,912.72 × 278,421.50
  4. Step 4: Simplify right side
    1,036,678.58x = 432,921,131,871.48
  5. Step 5: Solve for x
    x = 432,921,131,871.48/1,036,678.58
  6. Step 6: Final answer
    x = 417,604.01

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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.