Home / 1,326,445.85-1,828,641.71-1,121,675.21

Finding the Fourth Proportional to 1,326,445.85, 1,828,641.71 and 1,121,675.21

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Solution

The fourth proportional to 1,326,445.85, 1,828,641.71 and 1,121,675.21 is: 1,546,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,445.85 : 1,828,641.71 = 1,121,675.21 : x
  2. Step 2: Convert to fraction form
    1,326,445.85/1,828,641.71 = 1,121,675.21/x
  3. Step 3: Cross multiply
    1,326,445.85x = 1,828,641.71 × 1,121,675.21
  4. Step 4: Simplify right side
    1,326,445.85x = 2,051,142,059,327.42
  5. Step 5: Solve for x
    x = 2,051,142,059,327.42/1,326,445.85
  6. Step 6: Final answer
    x = 1,546,344.37

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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.