Home / 1,918,017.32-2,646,850.88-1,058,577.58

Finding the Fourth Proportional to 1,918,017.32, 2,646,850.88 and 1,058,577.58

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Solution

The fourth proportional to 1,918,017.32, 2,646,850.88 and 1,058,577.58 is: 1,460,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,017.32 : 2,646,850.88 = 1,058,577.58 : x
  2. Step 2: Convert to fraction form
    1,918,017.32/2,646,850.88 = 1,058,577.58/x
  3. Step 3: Cross multiply
    1,918,017.32x = 2,646,850.88 × 1,058,577.58
  4. Step 4: Simplify right side
    1,918,017.32x = 2,801,896,987,260.49
  5. Step 5: Solve for x
    x = 2,801,896,987,260.49/1,918,017.32
  6. Step 6: Final answer
    x = 1,460,829.87

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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.