Home / 1,755,475.32-2,632,465.29-689,769.81

Finding the Fourth Proportional to 1,755,475.32, 2,632,465.29 and 689,769.81

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Solution

The fourth proportional to 1,755,475.32, 2,632,465.29 and 689,769.81 is: 1,034,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,475.32 : 2,632,465.29 = 689,769.81 : x
  2. Step 2: Convert to fraction form
    1,755,475.32/2,632,465.29 = 689,769.81/x
  3. Step 3: Cross multiply
    1,755,475.32x = 2,632,465.29 × 689,769.81
  4. Step 4: Simplify right side
    1,755,475.32x = 1,815,795,082,914.90
  5. Step 5: Solve for x
    x = 1,815,795,082,914.90/1,755,475.32
  6. Step 6: Final answer
    x = 1,034,360.93

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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.