Home / 1,443,804.15-2,169,631.89-770,361.24

Finding the Fourth Proportional to 1,443,804.15, 2,169,631.89 and 770,361.24

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Solution

The fourth proportional to 1,443,804.15, 2,169,631.89 and 770,361.24 is: 1,157,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,804.15 : 2,169,631.89 = 770,361.24 : x
  2. Step 2: Convert to fraction form
    1,443,804.15/2,169,631.89 = 770,361.24/x
  3. Step 3: Cross multiply
    1,443,804.15x = 2,169,631.89 × 770,361.24
  4. Step 4: Simplify right side
    1,443,804.15x = 1,671,400,313,123.94
  5. Step 5: Solve for x
    x = 1,671,400,313,123.94/1,443,804.15
  6. Step 6: Final answer
    x = 1,157,636.45

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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.