Home / 1,356,447.80-2,034,995.70-409,827.80

Finding the Fourth Proportional to 1,356,447.80, 2,034,995.70 and 409,827.80

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Solution

The fourth proportional to 1,356,447.80, 2,034,995.70 and 409,827.80 is: 614,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,447.80 : 2,034,995.70 = 409,827.80 : x
  2. Step 2: Convert to fraction form
    1,356,447.80/2,034,995.70 = 409,827.80/x
  3. Step 3: Cross multiply
    1,356,447.80x = 2,034,995.70 × 409,827.80
  4. Step 4: Simplify right side
    1,356,447.80x = 833,997,810,740.46
  5. Step 5: Solve for x
    x = 833,997,810,740.46/1,356,447.80
  6. Step 6: Final answer
    x = 614,839.59

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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.