Home / 1,145,688.80-1,716,200.40-585,039.20

Finding the Fourth Proportional to 1,145,688.80, 1,716,200.40 and 585,039.20

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Solution

The fourth proportional to 1,145,688.80, 1,716,200.40 and 585,039.20 is: 876,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,688.80 : 1,716,200.40 = 585,039.20 : x
  2. Step 2: Convert to fraction form
    1,145,688.80/1,716,200.40 = 585,039.20/x
  3. Step 3: Cross multiply
    1,145,688.80x = 1,716,200.40 × 585,039.20
  4. Step 4: Simplify right side
    1,145,688.80x = 1,004,044,509,055.68
  5. Step 5: Solve for x
    x = 1,004,044,509,055.68/1,145,688.80
  6. Step 6: Final answer
    x = 876,367.57

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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.