Home / 1,028,676.60-1,543,889.70-460,931.40

Finding the Fourth Proportional to 1,028,676.60, 1,543,889.70 and 460,931.40

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Solution

The fourth proportional to 1,028,676.60, 1,543,889.70 and 460,931.40 is: 691,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,676.60 : 1,543,889.70 = 460,931.40 : x
  2. Step 2: Convert to fraction form
    1,028,676.60/1,543,889.70 = 460,931.40/x
  3. Step 3: Cross multiply
    1,028,676.60x = 1,543,889.70 × 460,931.40
  4. Step 4: Simplify right side
    1,028,676.60x = 711,627,240,866.58
  5. Step 5: Solve for x
    x = 711,627,240,866.58/1,028,676.60
  6. Step 6: Final answer
    x = 691,789.08

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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.