Home / 1,625,780.11-2,243,546.89-900,625.45

Finding the Fourth Proportional to 1,625,780.11, 2,243,546.89 and 900,625.45

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Solution

The fourth proportional to 1,625,780.11, 2,243,546.89 and 900,625.45 is: 1,242,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,780.11 : 2,243,546.89 = 900,625.45 : x
  2. Step 2: Convert to fraction form
    1,625,780.11/2,243,546.89 = 900,625.45/x
  3. Step 3: Cross multiply
    1,625,780.11x = 2,243,546.89 × 900,625.45
  4. Step 4: Simplify right side
    1,625,780.11x = 2,020,595,427,402.35
  5. Step 5: Solve for x
    x = 2,020,595,427,402.35/1,625,780.11
  6. Step 6: Final answer
    x = 1,242,846.69

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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.