Home / 1,425,456.55-2,138,206.70-478,835.47

Finding the Fourth Proportional to 1,425,456.55, 2,138,206.70 and 478,835.47

Calculator

Solution

The fourth proportional to 1,425,456.55, 2,138,206.70 and 478,835.47 is: 718,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,456.55 : 2,138,206.70 = 478,835.47 : x
  2. Step 2: Convert to fraction form
    1,425,456.55/2,138,206.70 = 478,835.47/x
  3. Step 3: Cross multiply
    1,425,456.55x = 2,138,206.70 × 478,835.47
  4. Step 4: Simplify right side
    1,425,456.55x = 1,023,849,210,151.65
  5. Step 5: Solve for x
    x = 1,023,849,210,151.65/1,425,456.55
  6. Step 6: Final answer
    x = 718,260.55

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.