Home / 1,539,632.23-2,124,542.67-851,209.81

Finding the Fourth Proportional to 1,539,632.23, 2,124,542.67 and 851,209.81

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Solution

The fourth proportional to 1,539,632.23, 2,124,542.67 and 851,209.81 is: 1,174,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,632.23 : 2,124,542.67 = 851,209.81 : x
  2. Step 2: Convert to fraction form
    1,539,632.23/2,124,542.67 = 851,209.81/x
  3. Step 3: Cross multiply
    1,539,632.23x = 2,124,542.67 × 851,209.81
  4. Step 4: Simplify right side
    1,539,632.23x = 1,808,431,562,467.59
  5. Step 5: Solve for x
    x = 1,808,431,562,467.59/1,539,632.23
  6. Step 6: Final answer
    x = 1,174,586.71

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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.