Home / 1,287,007.10-1,776,282.99-714,231.26

Finding the Fourth Proportional to 1,287,007.10, 1,776,282.99 and 714,231.26

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Solution

The fourth proportional to 1,287,007.10, 1,776,282.99 and 714,231.26 is: 985,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,007.10 : 1,776,282.99 = 714,231.26 : x
  2. Step 2: Convert to fraction form
    1,287,007.10/1,776,282.99 = 714,231.26/x
  3. Step 3: Cross multiply
    1,287,007.10x = 1,776,282.99 × 714,231.26
  4. Step 4: Simplify right side
    1,287,007.10x = 1,268,676,838,064.27
  5. Step 5: Solve for x
    x = 1,268,676,838,064.27/1,287,007.10
  6. Step 6: Final answer
    x = 985,757.45

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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.