Home / 931,037.20-1,396,555.80-553,123.60

Finding the Fourth Proportional to 931,037.20, 1,396,555.80 and 553,123.60

Calculator

Solution

The fourth proportional to 931,037.20, 1,396,555.80 and 553,123.60 is: 829,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,037.20 : 1,396,555.80 = 553,123.60 : x
  2. Step 2: Convert to fraction form
    931,037.20/1,396,555.80 = 553,123.60/x
  3. Step 3: Cross multiply
    931,037.20x = 1,396,555.80 × 553,123.60
  4. Step 4: Simplify right side
    931,037.20x = 772,467,971,696.88
  5. Step 5: Solve for x
    x = 772,467,971,696.88/931,037.20
  6. Step 6: Final answer
    x = 829,685.40

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.