Home / 1,755,688.40-2,631,955.80-691,456.40

Finding the Fourth Proportional to 1,755,688.40, 2,631,955.80 and 691,456.40

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Solution

The fourth proportional to 1,755,688.40, 2,631,955.80 and 691,456.40 is: 1,036,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,688.40 : 2,631,955.80 = 691,456.40 : x
  2. Step 2: Convert to fraction form
    1,755,688.40/2,631,955.80 = 691,456.40/x
  3. Step 3: Cross multiply
    1,755,688.40x = 2,631,955.80 × 691,456.40
  4. Step 4: Simplify right side
    1,755,688.40x = 1,819,882,682,427.12
  5. Step 5: Solve for x
    x = 1,819,882,682,427.12/1,755,688.40
  6. Step 6: Final answer
    x = 1,036,563.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.