Home / 1,349,869.80-2,025,111.90-788,615.40

Finding the Fourth Proportional to 1,349,869.80, 2,025,111.90 and 788,615.40

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Solution

The fourth proportional to 1,349,869.80, 2,025,111.90 and 788,615.40 is: 1,183,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,869.80 : 2,025,111.90 = 788,615.40 : x
  2. Step 2: Convert to fraction form
    1,349,869.80/2,025,111.90 = 788,615.40/x
  3. Step 3: Cross multiply
    1,349,869.80x = 2,025,111.90 × 788,615.40
  4. Step 4: Simplify right side
    1,349,869.80x = 1,597,034,431,063.26
  5. Step 5: Solve for x
    x = 1,597,034,431,063.26/1,349,869.80
  6. Step 6: Final answer
    x = 1,183,102.57

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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.