Home / 1,145,427.96-1,579,602.78-686,475.48

Finding the Fourth Proportional to 1,145,427.96, 1,579,602.78 and 686,475.48

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Solution

The fourth proportional to 1,145,427.96, 1,579,602.78 and 686,475.48 is: 946,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,427.96 : 1,579,602.78 = 686,475.48 : x
  2. Step 2: Convert to fraction form
    1,145,427.96/1,579,602.78 = 686,475.48/x
  3. Step 3: Cross multiply
    1,145,427.96x = 1,579,602.78 × 686,475.48
  4. Step 4: Simplify right side
    1,145,427.96x = 1,084,358,576,609.83
  5. Step 5: Solve for x
    x = 1,084,358,576,609.83/1,145,427.96
  6. Step 6: Final answer
    x = 946,684.22

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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.