Home / 1,556,996.90-2,148,648.82-841,604.90

Finding the Fourth Proportional to 1,556,996.90, 2,148,648.82 and 841,604.90

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Solution

The fourth proportional to 1,556,996.90, 2,148,648.82 and 841,604.90 is: 1,161,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,996.90 : 2,148,648.82 = 841,604.90 : x
  2. Step 2: Convert to fraction form
    1,556,996.90/2,148,648.82 = 841,604.90/x
  3. Step 3: Cross multiply
    1,556,996.90x = 2,148,648.82 × 841,604.90
  4. Step 4: Simplify right side
    1,556,996.90x = 1,808,313,362,443.96
  5. Step 5: Solve for x
    x = 1,808,313,362,443.96/1,556,996.90
  6. Step 6: Final answer
    x = 1,161,411.03

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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.