Home / 1,036,722.70-1,554,978.93-278,465.67

Finding the Fourth Proportional to 1,036,722.70, 1,554,978.93 and 278,465.67

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Solution

The fourth proportional to 1,036,722.70, 1,554,978.93 and 278,465.67 is: 417,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,722.70 : 1,554,978.93 = 278,465.67 : x
  2. Step 2: Convert to fraction form
    1,036,722.70/1,554,978.93 = 278,465.67/x
  3. Step 3: Cross multiply
    1,036,722.70x = 1,554,978.93 × 278,465.67
  4. Step 4: Simplify right side
    1,036,722.70x = 433,008,249,578.33
  5. Step 5: Solve for x
    x = 433,008,249,578.33/1,036,722.70
  6. Step 6: Final answer
    x = 417,670.27

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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.