Home / 1,124,189.99-1,686,306.86-413,852.39

Finding the Fourth Proportional to 1,124,189.99, 1,686,306.86 and 413,852.39

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Solution

The fourth proportional to 1,124,189.99, 1,686,306.86 and 413,852.39 is: 620,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,189.99 : 1,686,306.86 = 413,852.39 : x
  2. Step 2: Convert to fraction form
    1,124,189.99/1,686,306.86 = 413,852.39/x
  3. Step 3: Cross multiply
    1,124,189.99x = 1,686,306.86 × 413,852.39
  4. Step 4: Simplify right side
    1,124,189.99x = 697,882,124,284.40
  5. Step 5: Solve for x
    x = 697,882,124,284.40/1,124,189.99
  6. Step 6: Final answer
    x = 620,786.64

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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.