Home / 1,240,289.93-1,707,640.85-1,058,271.39

Finding the Fourth Proportional to 1,240,289.93, 1,707,640.85 and 1,058,271.39

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Solution

The fourth proportional to 1,240,289.93, 1,707,640.85 and 1,058,271.39 is: 1,457,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,289.93 : 1,707,640.85 = 1,058,271.39 : x
  2. Step 2: Convert to fraction form
    1,240,289.93/1,707,640.85 = 1,058,271.39/x
  3. Step 3: Cross multiply
    1,240,289.93x = 1,707,640.85 × 1,058,271.39
  4. Step 4: Simplify right side
    1,240,289.93x = 1,807,147,458,595.96
  5. Step 5: Solve for x
    x = 1,807,147,458,595.96/1,240,289.93
  6. Step 6: Final answer
    x = 1,457,036.30

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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.