Home / 1,400,412.62-1,932,753.57-788,684.96

Finding the Fourth Proportional to 1,400,412.62, 1,932,753.57 and 788,684.96

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Solution

The fourth proportional to 1,400,412.62, 1,932,753.57 and 788,684.96 is: 1,088,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,412.62 : 1,932,753.57 = 788,684.96 : x
  2. Step 2: Convert to fraction form
    1,400,412.62/1,932,753.57 = 788,684.96/x
  3. Step 3: Cross multiply
    1,400,412.62x = 1,932,753.57 × 788,684.96
  4. Step 4: Simplify right side
    1,400,412.62x = 1,524,333,676,877.19
  5. Step 5: Solve for x
    x = 1,524,333,676,877.19/1,400,412.62
  6. Step 6: Final answer
    x = 1,088,488.96

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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.