Home / 1,258,062.80-1,738,337.48-1,005,498.32

Finding the Fourth Proportional to 1,258,062.80, 1,738,337.48 and 1,005,498.32

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Solution

The fourth proportional to 1,258,062.80, 1,738,337.48 and 1,005,498.32 is: 1,389,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,062.80 : 1,738,337.48 = 1,005,498.32 : x
  2. Step 2: Convert to fraction form
    1,258,062.80/1,738,337.48 = 1,005,498.32/x
  3. Step 3: Cross multiply
    1,258,062.80x = 1,738,337.48 × 1,005,498.32
  4. Step 4: Simplify right side
    1,258,062.80x = 1,747,895,415,733.03
  5. Step 5: Solve for x
    x = 1,747,895,415,733.03/1,258,062.80
  6. Step 6: Final answer
    x = 1,389,354.66

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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.