Home / 1,349,632.52-1,861,219.86-866,345.48

Finding the Fourth Proportional to 1,349,632.52, 1,861,219.86 and 866,345.48

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Solution

The fourth proportional to 1,349,632.52, 1,861,219.86 and 866,345.48 is: 1,194,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,632.52 : 1,861,219.86 = 866,345.48 : x
  2. Step 2: Convert to fraction form
    1,349,632.52/1,861,219.86 = 866,345.48/x
  3. Step 3: Cross multiply
    1,349,632.52x = 1,861,219.86 × 866,345.48
  4. Step 4: Simplify right side
    1,349,632.52x = 1,612,459,412,997.23
  5. Step 5: Solve for x
    x = 1,612,459,412,997.23/1,349,632.52
  6. Step 6: Final answer
    x = 1,194,739.60

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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.