Home / 1,009,293-1,513,939.74-410,579.88

Finding the Fourth Proportional to 1,009,293, 1,513,939.74 and 410,579.88

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Solution

The fourth proportional to 1,009,293, 1,513,939.74 and 410,579.88 is: 615,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,293 : 1,513,939.74 = 410,579.88 : x
  2. Step 2: Convert to fraction form
    1,009,293/1,513,939.74 = 410,579.88/x
  3. Step 3: Cross multiply
    1,009,293x = 1,513,939.74 × 410,579.88
  4. Step 4: Simplify right side
    1,009,293x = 621,593,196,776.43
  5. Step 5: Solve for x
    x = 621,593,196,776.43/1,009,293
  6. Step 6: Final answer
    x = 615,869.92

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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.