Home / 1,143,232.24-1,715,205.28-688,322.16

Finding the Fourth Proportional to 1,143,232.24, 1,715,205.28 and 688,322.16

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Solution

The fourth proportional to 1,143,232.24, 1,715,205.28 and 688,322.16 is: 1,032,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,232.24 : 1,715,205.28 = 688,322.16 : x
  2. Step 2: Convert to fraction form
    1,143,232.24/1,715,205.28 = 688,322.16/x
  3. Step 3: Cross multiply
    1,143,232.24x = 1,715,205.28 × 688,322.16
  4. Step 4: Simplify right side
    1,143,232.24x = 1,180,613,803,173.00
  5. Step 5: Solve for x
    x = 1,180,613,803,173.00/1,143,232.24
  6. Step 6: Final answer
    x = 1,032,698.14

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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.