Home / 1,383,390.96-2,075,034.60-436,818.48

Finding the Fourth Proportional to 1,383,390.96, 2,075,034.60 and 436,818.48

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Solution

The fourth proportional to 1,383,390.96, 2,075,034.60 and 436,818.48 is: 655,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,390.96 : 2,075,034.60 = 436,818.48 : x
  2. Step 2: Convert to fraction form
    1,383,390.96/2,075,034.60 = 436,818.48/x
  3. Step 3: Cross multiply
    1,383,390.96x = 2,075,034.60 × 436,818.48
  4. Step 4: Simplify right side
    1,383,390.96x = 906,413,459,919.41
  5. Step 5: Solve for x
    x = 906,413,459,919.41/1,383,390.96
  6. Step 6: Final answer
    x = 655,211.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.