Home / 780,126.66-1,170,106.16-529,018.97

Finding the Fourth Proportional to 780,126.66, 1,170,106.16 and 529,018.97

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Solution

The fourth proportional to 780,126.66, 1,170,106.16 and 529,018.97 is: 793,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,126.66 : 1,170,106.16 = 529,018.97 : x
  2. Step 2: Convert to fraction form
    780,126.66/1,170,106.16 = 529,018.97/x
  3. Step 3: Cross multiply
    780,126.66x = 1,170,106.16 × 529,018.97
  4. Step 4: Simplify right side
    780,126.66x = 619,008,347,058.23
  5. Step 5: Solve for x
    x = 619,008,347,058.23/780,126.66
  6. Step 6: Final answer
    x = 793,471.60

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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.