Home / 1,144,342.61-1,715,317.41-385,922.06

Finding the Fourth Proportional to 1,144,342.61, 1,715,317.41 and 385,922.06

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Solution

The fourth proportional to 1,144,342.61, 1,715,317.41 and 385,922.06 is: 578,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,342.61 : 1,715,317.41 = 385,922.06 : x
  2. Step 2: Convert to fraction form
    1,144,342.61/1,715,317.41 = 385,922.06/x
  3. Step 3: Cross multiply
    1,144,342.61x = 1,715,317.41 × 385,922.06
  4. Step 4: Simplify right side
    1,144,342.61x = 661,978,828,421.07
  5. Step 5: Solve for x
    x = 661,978,828,421.07/1,144,342.61
  6. Step 6: Final answer
    x = 578,479.58

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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.