Home / 1,036,678.76-1,554,912.97-278,421.70

Finding the Fourth Proportional to 1,036,678.76, 1,554,912.97 and 278,421.70

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Solution

The fourth proportional to 1,036,678.76, 1,554,912.97 and 278,421.70 is: 417,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,678.76 : 1,554,912.97 = 278,421.70 : x
  2. Step 2: Convert to fraction form
    1,036,678.76/1,554,912.97 = 278,421.70/x
  3. Step 3: Cross multiply
    1,036,678.76x = 1,554,912.97 × 278,421.70
  4. Step 4: Simplify right side
    1,036,678.76x = 432,921,512,459.45
  5. Step 5: Solve for x
    x = 432,921,512,459.45/1,036,678.76
  6. Step 6: Final answer
    x = 417,604.30

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1.5x scale

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.