Home / 1,007,756.07-1,511,624.70-408,574.80

Finding the Fourth Proportional to 1,007,756.07, 1,511,624.70 and 408,574.80

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Solution

The fourth proportional to 1,007,756.07, 1,511,624.70 and 408,574.80 is: 612,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,756.07 : 1,511,624.70 = 408,574.80 : x
  2. Step 2: Convert to fraction form
    1,007,756.07/1,511,624.70 = 408,574.80/x
  3. Step 3: Cross multiply
    1,007,756.07x = 1,511,624.70 × 408,574.80
  4. Step 4: Simplify right side
    1,007,756.07x = 617,611,759,477.56
  5. Step 5: Solve for x
    x = 617,611,759,477.56/1,007,756.07
  6. Step 6: Final answer
    x = 612,858.39

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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.