Home / 1,128,485.24-1,692,856.30-409,165.69

Finding the Fourth Proportional to 1,128,485.24, 1,692,856.30 and 409,165.69

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Solution

The fourth proportional to 1,128,485.24, 1,692,856.30 and 409,165.69 is: 613,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,485.24 : 1,692,856.30 = 409,165.69 : x
  2. Step 2: Convert to fraction form
    1,128,485.24/1,692,856.30 = 409,165.69/x
  3. Step 3: Cross multiply
    1,128,485.24x = 1,692,856.30 × 409,165.69
  4. Step 4: Simplify right side
    1,128,485.24x = 692,658,710,805.29
  5. Step 5: Solve for x
    x = 692,658,710,805.29/1,128,485.24
  6. Step 6: Final answer
    x = 613,795.10

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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.