Home / 1,590,400.22-2,194,761.86-865,253.16

Finding the Fourth Proportional to 1,590,400.22, 2,194,761.86 and 865,253.16

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Solution

The fourth proportional to 1,590,400.22, 2,194,761.86 and 865,253.16 is: 1,194,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,400.22 : 2,194,761.86 = 865,253.16 : x
  2. Step 2: Convert to fraction form
    1,590,400.22/2,194,761.86 = 865,253.16/x
  3. Step 3: Cross multiply
    1,590,400.22x = 2,194,761.86 × 865,253.16
  4. Step 4: Simplify right side
    1,590,400.22x = 1,899,024,634,812.48
  5. Step 5: Solve for x
    x = 1,899,024,634,812.48/1,590,400.22
  6. Step 6: Final answer
    x = 1,194,054.56

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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.