Home / 786,090.70-1,177,386.45-681,114.70

Finding the Fourth Proportional to 786,090.70, 1,177,386.45 and 681,114.70

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Solution

The fourth proportional to 786,090.70, 1,177,386.45 and 681,114.70 is: 1,020,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,090.70 : 1,177,386.45 = 681,114.70 : x
  2. Step 2: Convert to fraction form
    786,090.70/1,177,386.45 = 681,114.70/x
  3. Step 3: Cross multiply
    786,090.70x = 1,177,386.45 × 681,114.70
  4. Step 4: Simplify right side
    786,090.70x = 801,935,218,675.82
  5. Step 5: Solve for x
    x = 801,935,218,675.82/786,090.70
  6. Step 6: Final answer
    x = 1,020,156.09

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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.