Home / 1,117,137.30-1,674,393.73-516,830.40

Finding the Fourth Proportional to 1,117,137.30, 1,674,393.73 and 516,830.40

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Solution

The fourth proportional to 1,117,137.30, 1,674,393.73 and 516,830.40 is: 774,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,137.30 : 1,674,393.73 = 516,830.40 : x
  2. Step 2: Convert to fraction form
    1,117,137.30/1,674,393.73 = 516,830.40/x
  3. Step 3: Cross multiply
    1,117,137.30x = 1,674,393.73 × 516,830.40
  4. Step 4: Simplify right side
    1,117,137.30x = 865,377,581,233.39
  5. Step 5: Solve for x
    x = 865,377,581,233.39/1,117,137.30
  6. Step 6: Final answer
    x = 774,638.52

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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.