Home / 1,438,370.76-1,984,949.64-793,790.88

Finding the Fourth Proportional to 1,438,370.76, 1,984,949.64 and 793,790.88

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Solution

The fourth proportional to 1,438,370.76, 1,984,949.64 and 793,790.88 is: 1,095,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,370.76 : 1,984,949.64 = 793,790.88 : x
  2. Step 2: Convert to fraction form
    1,438,370.76/1,984,949.64 = 793,790.88/x
  3. Step 3: Cross multiply
    1,438,370.76x = 1,984,949.64 × 793,790.88
  4. Step 4: Simplify right side
    1,438,370.76x = 1,575,634,921,491.28
  5. Step 5: Solve for x
    x = 1,575,634,921,491.28/1,438,370.76
  6. Step 6: Final answer
    x = 1,095,430.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.