Home / 1,212,985.20-1,815,978.60-740,593.20

Finding the Fourth Proportional to 1,212,985.20, 1,815,978.60 and 740,593.20

Calculator

Solution

The fourth proportional to 1,212,985.20, 1,815,978.60 and 740,593.20 is: 1,108,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,985.20 : 1,815,978.60 = 740,593.20 : x
  2. Step 2: Convert to fraction form
    1,212,985.20/1,815,978.60 = 740,593.20/x
  3. Step 3: Cross multiply
    1,212,985.20x = 1,815,978.60 × 740,593.20
  4. Step 4: Simplify right side
    1,212,985.20x = 1,344,901,402,505.52
  5. Step 5: Solve for x
    x = 1,344,901,402,505.52/1,212,985.20
  6. Step 6: Final answer
    x = 1,108,753.35

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.