Home / 1,033,081.36-1,425,767.88-625,408

Finding the Fourth Proportional to 1,033,081.36, 1,425,767.88 and 625,408

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Solution

The fourth proportional to 1,033,081.36, 1,425,767.88 and 625,408 is: 863,133.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,081.36 : 1,425,767.88 = 625,408 : x
  2. Step 2: Convert to fraction form
    1,033,081.36/1,425,767.88 = 625,408/x
  3. Step 3: Cross multiply
    1,033,081.36x = 1,425,767.88 × 625,408
  4. Step 4: Simplify right side
    1,033,081.36x = 891,686,638,295.04
  5. Step 5: Solve for x
    x = 891,686,638,295.04/1,033,081.36
  6. Step 6: Final answer
    x = 863,133.02

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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.