Home / 1,028,322.72-1,418,720.40-670,004.64

Finding the Fourth Proportional to 1,028,322.72, 1,418,720.40 and 670,004.64

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Solution

The fourth proportional to 1,028,322.72, 1,418,720.40 and 670,004.64 is: 924,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,322.72 : 1,418,720.40 = 670,004.64 : x
  2. Step 2: Convert to fraction form
    1,028,322.72/1,418,720.40 = 670,004.64/x
  3. Step 3: Cross multiply
    1,028,322.72x = 1,418,720.40 × 670,004.64
  4. Step 4: Simplify right side
    1,028,322.72x = 950,549,250,862.66
  5. Step 5: Solve for x
    x = 950,549,250,862.66/1,028,322.72
  6. Step 6: Final answer
    x = 924,368.62

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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.