Home / 1,918,073.63-2,646,928.86-1,058,633.88

Finding the Fourth Proportional to 1,918,073.63, 2,646,928.86 and 1,058,633.88

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Solution

The fourth proportional to 1,918,073.63, 2,646,928.86 and 1,058,633.88 is: 1,460,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,073.63 : 2,646,928.86 = 1,058,633.88 : x
  2. Step 2: Convert to fraction form
    1,918,073.63/2,646,928.86 = 1,058,633.88/x
  3. Step 3: Cross multiply
    1,918,073.63x = 2,646,928.86 × 1,058,633.88
  4. Step 4: Simplify right side
    1,918,073.63x = 2,802,128,569,145.78
  5. Step 5: Solve for x
    x = 2,802,128,569,145.78/1,918,073.63
  6. Step 6: Final answer
    x = 1,460,907.72

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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.