Home / 1,145,859-1,581,431.22-693,153.24

Finding the Fourth Proportional to 1,145,859, 1,581,431.22 and 693,153.24

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Solution

The fourth proportional to 1,145,859, 1,581,431.22 and 693,153.24 is: 956,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,859 : 1,581,431.22 = 693,153.24 : x
  2. Step 2: Convert to fraction form
    1,145,859/1,581,431.22 = 693,153.24/x
  3. Step 3: Cross multiply
    1,145,859x = 1,581,431.22 × 693,153.24
  4. Step 4: Simplify right side
    1,145,859x = 1,096,174,173,980.15
  5. Step 5: Solve for x
    x = 1,096,174,173,980.15/1,145,859
  6. Step 6: Final answer
    x = 956,639.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.