Home / 1,217,743.93-1,680,514.04-788,770.71

Finding the Fourth Proportional to 1,217,743.93, 1,680,514.04 and 788,770.71

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Solution

The fourth proportional to 1,217,743.93, 1,680,514.04 and 788,770.71 is: 1,088,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,743.93 : 1,680,514.04 = 788,770.71 : x
  2. Step 2: Convert to fraction form
    1,217,743.93/1,680,514.04 = 788,770.71/x
  3. Step 3: Cross multiply
    1,217,743.93x = 1,680,514.04 × 788,770.71
  4. Step 4: Simplify right side
    1,217,743.93x = 1,325,540,250,030.86
  5. Step 5: Solve for x
    x = 1,325,540,250,030.86/1,217,743.93
  6. Step 6: Final answer
    x = 1,088,521.34

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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.