Home / 1,500,759.56-2,071,032.48-812,415.89

Finding the Fourth Proportional to 1,500,759.56, 2,071,032.48 and 812,415.89

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Solution

The fourth proportional to 1,500,759.56, 2,071,032.48 and 812,415.89 is: 1,121,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,759.56 : 2,071,032.48 = 812,415.89 : x
  2. Step 2: Convert to fraction form
    1,500,759.56/2,071,032.48 = 812,415.89/x
  3. Step 3: Cross multiply
    1,500,759.56x = 2,071,032.48 × 812,415.89
  4. Step 4: Simplify right side
    1,500,759.56x = 1,682,539,695,458.11
  5. Step 5: Solve for x
    x = 1,682,539,695,458.11/1,500,759.56
  6. Step 6: Final answer
    x = 1,121,125.42

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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.