Home / 1,442,052.59-1,989,431.48-830,058.91

Finding the Fourth Proportional to 1,442,052.59, 1,989,431.48 and 830,058.91

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Solution

The fourth proportional to 1,442,052.59, 1,989,431.48 and 830,058.91 is: 1,145,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,052.59 : 1,989,431.48 = 830,058.91 : x
  2. Step 2: Convert to fraction form
    1,442,052.59/1,989,431.48 = 830,058.91/x
  3. Step 3: Cross multiply
    1,442,052.59x = 1,989,431.48 × 830,058.91
  4. Step 4: Simplify right side
    1,442,052.59x = 1,651,345,322,910.06
  5. Step 5: Solve for x
    x = 1,651,345,322,910.06/1,442,052.59
  6. Step 6: Final answer
    x = 1,145,135.30

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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.