Home / 1,008,555.10-1,512,832.65-931,572.70

Finding the Fourth Proportional to 1,008,555.10, 1,512,832.65 and 931,572.70

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Solution

The fourth proportional to 1,008,555.10, 1,512,832.65 and 931,572.70 is: 1,397,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,555.10 : 1,512,832.65 = 931,572.70 : x
  2. Step 2: Convert to fraction form
    1,008,555.10/1,512,832.65 = 931,572.70/x
  3. Step 3: Cross multiply
    1,008,555.10x = 1,512,832.65 × 931,572.70
  4. Step 4: Simplify right side
    1,008,555.10x = 1,409,313,596,408.65
  5. Step 5: Solve for x
    x = 1,409,313,596,408.65/1,008,555.10
  6. Step 6: Final answer
    x = 1,397,359.05

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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.