Home / 1,110,147.94-1,532,041.22-680,345.03

Finding the Fourth Proportional to 1,110,147.94, 1,532,041.22 and 680,345.03

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Solution

The fourth proportional to 1,110,147.94, 1,532,041.22 and 680,345.03 is: 938,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,147.94 : 1,532,041.22 = 680,345.03 : x
  2. Step 2: Convert to fraction form
    1,110,147.94/1,532,041.22 = 680,345.03/x
  3. Step 3: Cross multiply
    1,110,147.94x = 1,532,041.22 × 680,345.03
  4. Step 4: Simplify right side
    1,110,147.94x = 1,042,316,635,313.10
  5. Step 5: Solve for x
    x = 1,042,316,635,313.10/1,110,147.94
  6. Step 6: Final answer
    x = 938,898.86

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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.