Home / 1,430,240.06-2,145,326.88-720,077.42

Finding the Fourth Proportional to 1,430,240.06, 2,145,326.88 and 720,077.42

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Solution

The fourth proportional to 1,430,240.06, 2,145,326.88 and 720,077.42 is: 1,080,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,240.06 : 2,145,326.88 = 720,077.42 : x
  2. Step 2: Convert to fraction form
    1,430,240.06/2,145,326.88 = 720,077.42/x
  3. Step 3: Cross multiply
    1,430,240.06x = 2,145,326.88 × 720,077.42
  4. Step 4: Simplify right side
    1,430,240.06x = 1,544,801,444,807.05
  5. Step 5: Solve for x
    x = 1,544,801,444,807.05/1,430,240.06
  6. Step 6: Final answer
    x = 1,080,099.41

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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.