Home / 1,176,021.12-1,622,861.28-692,606.40

Finding the Fourth Proportional to 1,176,021.12, 1,622,861.28 and 692,606.40

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Solution

The fourth proportional to 1,176,021.12, 1,622,861.28 and 692,606.40 is: 955,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,021.12 : 1,622,861.28 = 692,606.40 : x
  2. Step 2: Convert to fraction form
    1,176,021.12/1,622,861.28 = 692,606.40/x
  3. Step 3: Cross multiply
    1,176,021.12x = 1,622,861.28 × 692,606.40
  4. Step 4: Simplify right side
    1,176,021.12x = 1,124,004,108,840.19
  5. Step 5: Solve for x
    x = 1,124,004,108,840.19/1,176,021.12
  6. Step 6: Final answer
    x = 955,768.64

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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.