Home / 1,208,302.64-1,811,321.54-409,024.88

Finding the Fourth Proportional to 1,208,302.64, 1,811,321.54 and 409,024.88

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Solution

The fourth proportional to 1,208,302.64, 1,811,321.54 and 409,024.88 is: 613,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,302.64 : 1,811,321.54 = 409,024.88 : x
  2. Step 2: Convert to fraction form
    1,208,302.64/1,811,321.54 = 409,024.88/x
  3. Step 3: Cross multiply
    1,208,302.64x = 1,811,321.54 × 409,024.88
  4. Step 4: Simplify right side
    1,208,302.64x = 740,875,575,539.92
  5. Step 5: Solve for x
    x = 740,875,575,539.92/1,208,302.64
  6. Step 6: Final answer
    x = 613,153.98

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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.