Home / 1,625,846.36-2,243,805.76-900,921.47

Finding the Fourth Proportional to 1,625,846.36, 2,243,805.76 and 900,921.47

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Solution

The fourth proportional to 1,625,846.36, 2,243,805.76 and 900,921.47 is: 1,243,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,846.36 : 2,243,805.76 = 900,921.47 : x
  2. Step 2: Convert to fraction form
    1,625,846.36/2,243,805.76 = 900,921.47/x
  3. Step 3: Cross multiply
    1,625,846.36x = 2,243,805.76 × 900,921.47
  4. Step 4: Simplify right side
    1,625,846.36x = 2,021,492,790,429.33
  5. Step 5: Solve for x
    x = 2,021,492,790,429.33/1,625,846.36
  6. Step 6: Final answer
    x = 1,243,347.98

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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.