Home / 1,779,467.98-2,668,650.44-642,083.10

Finding the Fourth Proportional to 1,779,467.98, 2,668,650.44 and 642,083.10

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Solution

The fourth proportional to 1,779,467.98, 2,668,650.44 and 642,083.10 is: 962,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,467.98 : 2,668,650.44 = 642,083.10 : x
  2. Step 2: Convert to fraction form
    1,779,467.98/2,668,650.44 = 642,083.10/x
  3. Step 3: Cross multiply
    1,779,467.98x = 2,668,650.44 × 642,083.10
  4. Step 4: Simplify right side
    1,779,467.98x = 1,713,495,347,331.56
  5. Step 5: Solve for x
    x = 1,713,495,347,331.56/1,779,467.98
  6. Step 6: Final answer
    x = 962,925.64

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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.