Home / 1,287,533.99-1,931,374.79-340,880.11

Finding the Fourth Proportional to 1,287,533.99, 1,931,374.79 and 340,880.11

Calculator

Solution

The fourth proportional to 1,287,533.99, 1,931,374.79 and 340,880.11 is: 511,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,533.99 : 1,931,374.79 = 340,880.11 : x
  2. Step 2: Convert to fraction form
    1,287,533.99/1,931,374.79 = 340,880.11/x
  3. Step 3: Cross multiply
    1,287,533.99x = 1,931,374.79 × 340,880.11
  4. Step 4: Simplify right side
    1,287,533.99x = 658,367,250,866.43
  5. Step 5: Solve for x
    x = 658,367,250,866.43/1,287,533.99
  6. Step 6: Final answer
    x = 511,339.71

Related Problems

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.