Home / 1,721,254.59-2,579,519.88-1,089,036.63

Finding the Fourth Proportional to 1,721,254.59, 2,579,519.88 and 1,089,036.63

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Solution

The fourth proportional to 1,721,254.59, 2,579,519.88 and 1,089,036.63 is: 1,632,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,254.59 : 2,579,519.88 = 1,089,036.63 : x
  2. Step 2: Convert to fraction form
    1,721,254.59/2,579,519.88 = 1,089,036.63/x
  3. Step 3: Cross multiply
    1,721,254.59x = 2,579,519.88 × 1,089,036.63
  4. Step 4: Simplify right side
    1,721,254.59x = 2,809,191,637,133.20
  5. Step 5: Solve for x
    x = 2,809,191,637,133.20/1,721,254.59
  6. Step 6: Final answer
    x = 1,632,060.51

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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.