Home / 1,345,890.93-1,856,279.19-862,501.02

Finding the Fourth Proportional to 1,345,890.93, 1,856,279.19 and 862,501.02

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Solution

The fourth proportional to 1,345,890.93, 1,856,279.19 and 862,501.02 is: 1,189,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,890.93 : 1,856,279.19 = 862,501.02 : x
  2. Step 2: Convert to fraction form
    1,345,890.93/1,856,279.19 = 862,501.02/x
  3. Step 3: Cross multiply
    1,345,890.93x = 1,856,279.19 × 862,501.02
  4. Step 4: Simplify right side
    1,345,890.93x = 1,601,042,694,779.77
  5. Step 5: Solve for x
    x = 1,601,042,694,779.77/1,345,890.93
  6. Step 6: Final answer
    x = 1,189,578.34

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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.