Home / 1,791,023.03-2,686,889.10-511,641.55

Finding the Fourth Proportional to 1,791,023.03, 2,686,889.10 and 511,641.55

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Solution

The fourth proportional to 1,791,023.03, 2,686,889.10 and 511,641.55 is: 767,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,023.03 : 2,686,889.10 = 511,641.55 : x
  2. Step 2: Convert to fraction form
    1,791,023.03/2,686,889.10 = 511,641.55/x
  3. Step 3: Cross multiply
    1,791,023.03x = 2,686,889.10 × 511,641.55
  4. Step 4: Simplify right side
    1,791,023.03x = 1,374,724,103,802.11
  5. Step 5: Solve for x
    x = 1,374,724,103,802.11/1,791,023.03
  6. Step 6: Final answer
    x = 767,563.61

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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.