Home / 1,487,190.81-2,230,097.31-1,202,180.97

Finding the Fourth Proportional to 1,487,190.81, 2,230,097.31 and 1,202,180.97

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Solution

The fourth proportional to 1,487,190.81, 2,230,097.31 and 1,202,180.97 is: 1,802,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,190.81 : 2,230,097.31 = 1,202,180.97 : x
  2. Step 2: Convert to fraction form
    1,487,190.81/2,230,097.31 = 1,202,180.97/x
  3. Step 3: Cross multiply
    1,487,190.81x = 2,230,097.31 × 1,202,180.97
  4. Step 4: Simplify right side
    1,487,190.81x = 2,680,980,547,330.19
  5. Step 5: Solve for x
    x = 2,680,980,547,330.19/1,487,190.81
  6. Step 6: Final answer
    x = 1,802,714.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.