Home / 1,779,725.74-2,669,566.33-431,899.50

Finding the Fourth Proportional to 1,779,725.74, 2,669,566.33 and 431,899.50

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Solution

The fourth proportional to 1,779,725.74, 2,669,566.33 and 431,899.50 is: 647,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,725.74 : 2,669,566.33 = 431,899.50 : x
  2. Step 2: Convert to fraction form
    1,779,725.74/2,669,566.33 = 431,899.50/x
  3. Step 3: Cross multiply
    1,779,725.74x = 2,669,566.33 × 431,899.50
  4. Step 4: Simplify right side
    1,779,725.74x = 1,152,984,363,143.84
  5. Step 5: Solve for x
    x = 1,152,984,363,143.84/1,779,725.74
  6. Step 6: Final answer
    x = 647,843.84

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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.