Home / 1,308,357.56-1,962,534.76-409,869.28

Finding the Fourth Proportional to 1,308,357.56, 1,962,534.76 and 409,869.28

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Solution

The fourth proportional to 1,308,357.56, 1,962,534.76 and 409,869.28 is: 614,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,357.56 : 1,962,534.76 = 409,869.28 : x
  2. Step 2: Convert to fraction form
    1,308,357.56/1,962,534.76 = 409,869.28/x
  3. Step 3: Cross multiply
    1,308,357.56x = 1,962,534.76 × 409,869.28
  4. Step 4: Simplify right side
    1,308,357.56x = 804,382,709,056.17
  5. Step 5: Solve for x
    x = 804,382,709,056.17/1,308,357.56
  6. Step 6: Final answer
    x = 614,803.43

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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.