Home / 1,702,486.35-2,349,359.64-928,100.43

Finding the Fourth Proportional to 1,702,486.35, 2,349,359.64 and 928,100.43

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Solution

The fourth proportional to 1,702,486.35, 2,349,359.64 and 928,100.43 is: 1,280,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,486.35 : 2,349,359.64 = 928,100.43 : x
  2. Step 2: Convert to fraction form
    1,702,486.35/2,349,359.64 = 928,100.43/x
  3. Step 3: Cross multiply
    1,702,486.35x = 2,349,359.64 × 928,100.43
  4. Step 4: Simplify right side
    1,702,486.35x = 2,180,441,692,108.65
  5. Step 5: Solve for x
    x = 2,180,441,692,108.65/1,702,486.35
  6. Step 6: Final answer
    x = 1,280,739.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.