Home / 1,207,326.96-1,665,417.41-753,830.64

Finding the Fourth Proportional to 1,207,326.96, 1,665,417.41 and 753,830.64

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Solution

The fourth proportional to 1,207,326.96, 1,665,417.41 and 753,830.64 is: 1,039,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,326.96 : 1,665,417.41 = 753,830.64 : x
  2. Step 2: Convert to fraction form
    1,207,326.96/1,665,417.41 = 753,830.64/x
  3. Step 3: Cross multiply
    1,207,326.96x = 1,665,417.41 × 753,830.64
  4. Step 4: Simplify right side
    1,207,326.96x = 1,255,442,668,278.29
  5. Step 5: Solve for x
    x = 1,255,442,668,278.29/1,207,326.96
  6. Step 6: Final answer
    x = 1,039,853.09

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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.