Home / 1,142,716.56-1,713,828.80-468,136.40

Finding the Fourth Proportional to 1,142,716.56, 1,713,828.80 and 468,136.40

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Solution

The fourth proportional to 1,142,716.56, 1,713,828.80 and 468,136.40 is: 702,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,716.56 : 1,713,828.80 = 468,136.40 : x
  2. Step 2: Convert to fraction form
    1,142,716.56/1,713,828.80 = 468,136.40/x
  3. Step 3: Cross multiply
    1,142,716.56x = 1,713,828.80 × 468,136.40
  4. Step 4: Simplify right side
    1,142,716.56x = 802,305,644,648.32
  5. Step 5: Solve for x
    x = 802,305,644,648.32/1,142,716.56
  6. Step 6: Final answer
    x = 702,103.80

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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.