Home / 1,009,140.06-1,513,917.72-410,099.88

Finding the Fourth Proportional to 1,009,140.06, 1,513,917.72 and 410,099.88

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Solution

The fourth proportional to 1,009,140.06, 1,513,917.72 and 410,099.88 is: 615,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,140.06 : 1,513,917.72 = 410,099.88 : x
  2. Step 2: Convert to fraction form
    1,009,140.06/1,513,917.72 = 410,099.88/x
  3. Step 3: Cross multiply
    1,009,140.06x = 1,513,917.72 × 410,099.88
  4. Step 4: Simplify right side
    1,009,140.06x = 620,857,475,301.87
  5. Step 5: Solve for x
    x = 620,857,475,301.87/1,009,140.06
  6. Step 6: Final answer
    x = 615,234.20

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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.