Home / 1,475,114.86-2,035,721.30-821,740.11

Finding the Fourth Proportional to 1,475,114.86, 2,035,721.30 and 821,740.11

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Solution

The fourth proportional to 1,475,114.86, 2,035,721.30 and 821,740.11 is: 1,134,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,114.86 : 2,035,721.30 = 821,740.11 : x
  2. Step 2: Convert to fraction form
    1,475,114.86/2,035,721.30 = 821,740.11/x
  3. Step 3: Cross multiply
    1,475,114.86x = 2,035,721.30 × 821,740.11
  4. Step 4: Simplify right side
    1,475,114.86x = 1,672,833,844,991.34
  5. Step 5: Solve for x
    x = 1,672,833,844,991.34/1,475,114.86
  6. Step 6: Final answer
    x = 1,134,036.33

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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.