Home / 1,755,674.40-2,631,934.80-691,442.40

Finding the Fourth Proportional to 1,755,674.40, 2,631,934.80 and 691,442.40

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Solution

The fourth proportional to 1,755,674.40, 2,631,934.80 and 691,442.40 is: 1,036,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,674.40 : 2,631,934.80 = 691,442.40 : x
  2. Step 2: Convert to fraction form
    1,755,674.40/2,631,934.80 = 691,442.40/x
  3. Step 3: Cross multiply
    1,755,674.40x = 2,631,934.80 × 691,442.40
  4. Step 4: Simplify right side
    1,755,674.40x = 1,819,831,314,755.52
  5. Step 5: Solve for x
    x = 1,819,831,314,755.52/1,755,674.40
  6. Step 6: Final answer
    x = 1,036,542.60

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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.