Home / 1,383,266.50-1,908,907.77-747,362.50

Finding the Fourth Proportional to 1,383,266.50, 1,908,907.77 and 747,362.50

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Solution

The fourth proportional to 1,383,266.50, 1,908,907.77 and 747,362.50 is: 1,031,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,266.50 : 1,908,907.77 = 747,362.50 : x
  2. Step 2: Convert to fraction form
    1,383,266.50/1,908,907.77 = 747,362.50/x
  3. Step 3: Cross multiply
    1,383,266.50x = 1,908,907.77 × 747,362.50
  4. Step 4: Simplify right side
    1,383,266.50x = 1,426,646,083,256.63
  5. Step 5: Solve for x
    x = 1,426,646,083,256.63/1,383,266.50
  6. Step 6: Final answer
    x = 1,031,360.25

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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.