Home / 1,345,889.93-1,856,277.81-862,500.02

Finding the Fourth Proportional to 1,345,889.93, 1,856,277.81 and 862,500.02

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Solution

The fourth proportional to 1,345,889.93, 1,856,277.81 and 862,500.02 is: 1,189,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,889.93 : 1,856,277.81 = 862,500.02 : x
  2. Step 2: Convert to fraction form
    1,345,889.93/1,856,277.81 = 862,500.02/x
  3. Step 3: Cross multiply
    1,345,889.93x = 1,856,277.81 × 862,500.02
  4. Step 4: Simplify right side
    1,345,889.93x = 1,601,039,638,969.17
  5. Step 5: Solve for x
    x = 1,601,039,638,969.17/1,345,889.93
  6. Step 6: Final answer
    x = 1,189,576.96

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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.