Home / 1,672,074.32-2,308,167.16-1,128,945.02

Finding the Fourth Proportional to 1,672,074.32, 2,308,167.16 and 1,128,945.02

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Solution

The fourth proportional to 1,672,074.32, 2,308,167.16 and 1,128,945.02 is: 1,558,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,074.32 : 2,308,167.16 = 1,128,945.02 : x
  2. Step 2: Convert to fraction form
    1,672,074.32/2,308,167.16 = 1,128,945.02/x
  3. Step 3: Cross multiply
    1,672,074.32x = 2,308,167.16 × 1,128,945.02
  4. Step 4: Simplify right side
    1,672,074.32x = 2,605,793,806,246.34
  5. Step 5: Solve for x
    x = 2,605,793,806,246.34/1,672,074.32
  6. Step 6: Final answer
    x = 1,558,419.85

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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.