Home / 1,392,036.16-1,921,279.31-907,760.55

Finding the Fourth Proportional to 1,392,036.16, 1,921,279.31 and 907,760.55

Calculator

Solution

The fourth proportional to 1,392,036.16, 1,921,279.31 and 907,760.55 is: 1,252,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,036.16 : 1,921,279.31 = 907,760.55 : x
  2. Step 2: Convert to fraction form
    1,392,036.16/1,921,279.31 = 907,760.55/x
  3. Step 3: Cross multiply
    1,392,036.16x = 1,921,279.31 × 907,760.55
  4. Step 4: Simplify right side
    1,392,036.16x = 1,744,061,563,149.22
  5. Step 5: Solve for x
    x = 1,744,061,563,149.22/1,392,036.16
  6. Step 6: Final answer
    x = 1,252,885.24

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.