Home / 1,918,148.40-2,646,856.23-1,058,653.26

Finding the Fourth Proportional to 1,918,148.40, 2,646,856.23 and 1,058,653.26

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Solution

The fourth proportional to 1,918,148.40, 2,646,856.23 and 1,058,653.26 is: 1,460,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,148.40 : 2,646,856.23 = 1,058,653.26 : x
  2. Step 2: Convert to fraction form
    1,918,148.40/2,646,856.23 = 1,058,653.26/x
  3. Step 3: Cross multiply
    1,918,148.40x = 2,646,856.23 × 1,058,653.26
  4. Step 4: Simplify right side
    1,918,148.40x = 2,802,102,976,640.81
  5. Step 5: Solve for x
    x = 2,802,102,976,640.81/1,918,148.40
  6. Step 6: Final answer
    x = 1,460,837.43

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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.