Home / 1,383,643.42-2,075,765.84-424,102.64

Finding the Fourth Proportional to 1,383,643.42, 2,075,765.84 and 424,102.64

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Solution

The fourth proportional to 1,383,643.42, 2,075,765.84 and 424,102.64 is: 636,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,643.42 : 2,075,765.84 = 424,102.64 : x
  2. Step 2: Convert to fraction form
    1,383,643.42/2,075,765.84 = 424,102.64/x
  3. Step 3: Cross multiply
    1,383,643.42x = 2,075,765.84 × 424,102.64
  4. Step 4: Simplify right side
    1,383,643.42x = 880,337,761,856.86
  5. Step 5: Solve for x
    x = 880,337,761,856.86/1,383,643.42
  6. Step 6: Final answer
    x = 636,246.12

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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.