Home / 1,207,945.94-1,666,966.46-664,090.98

Finding the Fourth Proportional to 1,207,945.94, 1,666,966.46 and 664,090.98

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Solution

The fourth proportional to 1,207,945.94, 1,666,966.46 and 664,090.98 is: 916,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,945.94 : 1,666,966.46 = 664,090.98 : x
  2. Step 2: Convert to fraction form
    1,207,945.94/1,666,966.46 = 664,090.98/x
  3. Step 3: Cross multiply
    1,207,945.94x = 1,666,966.46 × 664,090.98
  4. Step 4: Simplify right side
    1,207,945.94x = 1,107,017,391,708.76
  5. Step 5: Solve for x
    x = 1,107,017,391,708.76/1,207,945.94
  6. Step 6: Final answer
    x = 916,446.14

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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.