Home / 1,308,357.81-1,962,535.13-409,869.53

Finding the Fourth Proportional to 1,308,357.81, 1,962,535.13 and 409,869.53

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Solution

The fourth proportional to 1,308,357.81, 1,962,535.13 and 409,869.53 is: 614,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,357.81 : 1,962,535.13 = 409,869.53 : x
  2. Step 2: Convert to fraction form
    1,308,357.81/1,962,535.13 = 409,869.53/x
  3. Step 3: Cross multiply
    1,308,357.81x = 1,962,535.13 × 409,869.53
  4. Step 4: Simplify right side
    1,308,357.81x = 804,383,351,341.59
  5. Step 5: Solve for x
    x = 804,383,351,341.59/1,308,357.81
  6. Step 6: Final answer
    x = 614,803.80

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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.