Home / 1,432,975.51-1,976,666.49-916,540.97

Finding the Fourth Proportional to 1,432,975.51, 1,976,666.49 and 916,540.97

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Solution

The fourth proportional to 1,432,975.51, 1,976,666.49 and 916,540.97 is: 1,264,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,975.51 : 1,976,666.49 = 916,540.97 : x
  2. Step 2: Convert to fraction form
    1,432,975.51/1,976,666.49 = 916,540.97/x
  3. Step 3: Cross multiply
    1,432,975.51x = 1,976,666.49 × 916,540.97
  4. Step 4: Simplify right side
    1,432,975.51x = 1,811,695,823,346.51
  5. Step 5: Solve for x
    x = 1,811,695,823,346.51/1,432,975.51
  6. Step 6: Final answer
    x = 1,264,289.46

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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.