Home / 1,383,858.12-2,075,774.70-437,228.76

Finding the Fourth Proportional to 1,383,858.12, 2,075,774.70 and 437,228.76

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Solution

The fourth proportional to 1,383,858.12, 2,075,774.70 and 437,228.76 is: 655,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,858.12 : 2,075,774.70 = 437,228.76 : x
  2. Step 2: Convert to fraction form
    1,383,858.12/2,075,774.70 = 437,228.76/x
  3. Step 3: Cross multiply
    1,383,858.12x = 2,075,774.70 × 437,228.76
  4. Step 4: Simplify right side
    1,383,858.12x = 907,588,398,120.37
  5. Step 5: Solve for x
    x = 907,588,398,120.37/1,383,858.12
  6. Step 6: Final answer
    x = 655,839.20

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1.5x scale

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.