Home / 1,383,499.08-2,075,312.22-423,885.96

Finding the Fourth Proportional to 1,383,499.08, 2,075,312.22 and 423,885.96

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Solution

The fourth proportional to 1,383,499.08, 2,075,312.22 and 423,885.96 is: 635,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,499.08 : 2,075,312.22 = 423,885.96 : x
  2. Step 2: Convert to fraction form
    1,383,499.08/2,075,312.22 = 423,885.96/x
  3. Step 3: Cross multiply
    1,383,499.08x = 2,075,312.22 × 423,885.96
  4. Step 4: Simplify right side
    1,383,499.08x = 879,695,712,674.43
  5. Step 5: Solve for x
    x = 879,695,712,674.43/1,383,499.08
  6. Step 6: Final answer
    x = 635,848.43

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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.