Home / 1,259,458.73-1,738,070.31-686,497.67

Finding the Fourth Proportional to 1,259,458.73, 1,738,070.31 and 686,497.67

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Solution

The fourth proportional to 1,259,458.73, 1,738,070.31 and 686,497.67 is: 947,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,458.73 : 1,738,070.31 = 686,497.67 : x
  2. Step 2: Convert to fraction form
    1,259,458.73/1,738,070.31 = 686,497.67/x
  3. Step 3: Cross multiply
    1,259,458.73x = 1,738,070.31 × 686,497.67
  4. Step 4: Simplify right side
    1,259,458.73x = 1,193,181,205,988.34
  5. Step 5: Solve for x
    x = 1,193,181,205,988.34/1,259,458.73
  6. Step 6: Final answer
    x = 947,376.19

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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.