Home / 1,475,109.80-2,035,714.31-821,735.03

Finding the Fourth Proportional to 1,475,109.80, 2,035,714.31 and 821,735.03

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Solution

The fourth proportional to 1,475,109.80, 2,035,714.31 and 821,735.03 is: 1,134,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,109.80 : 2,035,714.31 = 821,735.03 : x
  2. Step 2: Convert to fraction form
    1,475,109.80/2,035,714.31 = 821,735.03/x
  3. Step 3: Cross multiply
    1,475,109.80x = 2,035,714.31 × 821,735.03
  4. Step 4: Simplify right side
    1,475,109.80x = 1,672,817,745,312.03
  5. Step 5: Solve for x
    x = 1,672,817,745,312.03/1,475,109.80
  6. Step 6: Final answer
    x = 1,134,029.31

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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.