Home / 1,457,407.08-2,185,862.76-392,211.72

Finding the Fourth Proportional to 1,457,407.08, 2,185,862.76 and 392,211.72

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Solution

The fourth proportional to 1,457,407.08, 2,185,862.76 and 392,211.72 is: 588,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,407.08 : 2,185,862.76 = 392,211.72 : x
  2. Step 2: Convert to fraction form
    1,457,407.08/2,185,862.76 = 392,211.72/x
  3. Step 3: Cross multiply
    1,457,407.08x = 2,185,862.76 × 392,211.72
  4. Step 4: Simplify right side
    1,457,407.08x = 857,320,992,783.55
  5. Step 5: Solve for x
    x = 857,320,992,783.55/1,457,407.08
  6. Step 6: Final answer
    x = 588,250.88

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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.