Home / 1,045,004.85-1,442,121.64-782,895.74

Finding the Fourth Proportional to 1,045,004.85, 1,442,121.64 and 782,895.74

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Solution

The fourth proportional to 1,045,004.85, 1,442,121.64 and 782,895.74 is: 1,080,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,004.85 : 1,442,121.64 = 782,895.74 : x
  2. Step 2: Convert to fraction form
    1,045,004.85/1,442,121.64 = 782,895.74/x
  3. Step 3: Cross multiply
    1,045,004.85x = 1,442,121.64 × 782,895.74
  4. Step 4: Simplify right side
    1,045,004.85x = 1,129,030,879,349.97
  5. Step 5: Solve for x
    x = 1,129,030,879,349.97/1,045,004.85
  6. Step 6: Final answer
    x = 1,080,407.31

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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.