Home / 1,283,837.25-1,771,673.75-710,865.12

Finding the Fourth Proportional to 1,283,837.25, 1,771,673.75 and 710,865.12

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Solution

The fourth proportional to 1,283,837.25, 1,771,673.75 and 710,865.12 is: 980,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,837.25 : 1,771,673.75 = 710,865.12 : x
  2. Step 2: Convert to fraction form
    1,283,837.25/1,771,673.75 = 710,865.12/x
  3. Step 3: Cross multiply
    1,283,837.25x = 1,771,673.75 × 710,865.12
  4. Step 4: Simplify right side
    1,283,837.25x = 1,259,421,071,117.44
  5. Step 5: Solve for x
    x = 1,259,421,071,117.44/1,283,837.25
  6. Step 6: Final answer
    x = 980,981.87

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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.