Home / 1,259,818.25-1,738,547.96-686,858.27

Finding the Fourth Proportional to 1,259,818.25, 1,738,547.96 and 686,858.27

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Solution

The fourth proportional to 1,259,818.25, 1,738,547.96 and 686,858.27 is: 947,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,818.25 : 1,738,547.96 = 686,858.27 : x
  2. Step 2: Convert to fraction form
    1,259,818.25/1,738,547.96 = 686,858.27/x
  3. Step 3: Cross multiply
    1,259,818.25x = 1,738,547.96 × 686,858.27
  4. Step 4: Simplify right side
    1,259,818.25x = 1,194,136,031,990.60
  5. Step 5: Solve for x
    x = 1,194,136,031,990.60/1,259,818.25
  6. Step 6: Final answer
    x = 947,863.74

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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.