Home / 1,475,804.40-2,036,621.44-831,164.28

Finding the Fourth Proportional to 1,475,804.40, 2,036,621.44 and 831,164.28

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Solution

The fourth proportional to 1,475,804.40, 2,036,621.44 and 831,164.28 is: 1,147,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,804.40 : 2,036,621.44 = 831,164.28 : x
  2. Step 2: Convert to fraction form
    1,475,804.40/2,036,621.44 = 831,164.28/x
  3. Step 3: Cross multiply
    1,475,804.40x = 2,036,621.44 × 831,164.28
  4. Step 4: Simplify right side
    1,475,804.40x = 1,692,766,992,810.16
  5. Step 5: Solve for x
    x = 1,692,766,992,810.16/1,475,804.40
  6. Step 6: Final answer
    x = 1,147,013.11

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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.