Home / 1,500,982.03-2,071,316.81-838,699.20

Finding the Fourth Proportional to 1,500,982.03, 2,071,316.81 and 838,699.20

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Solution

The fourth proportional to 1,500,982.03, 2,071,316.81 and 838,699.20 is: 1,157,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,982.03 : 2,071,316.81 = 838,699.20 : x
  2. Step 2: Convert to fraction form
    1,500,982.03/2,071,316.81 = 838,699.20/x
  3. Step 3: Cross multiply
    1,500,982.03x = 2,071,316.81 × 838,699.20
  4. Step 4: Simplify right side
    1,500,982.03x = 1,737,211,747,300.06
  5. Step 5: Solve for x
    x = 1,737,211,747,300.06/1,500,982.03
  6. Step 6: Final answer
    x = 1,157,383.44

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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.