Home / 992,005.62-1,369,074.69-562,239.60

Finding the Fourth Proportional to 992,005.62, 1,369,074.69 and 562,239.60

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Solution

The fourth proportional to 992,005.62, 1,369,074.69 and 562,239.60 is: 775,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,005.62 : 1,369,074.69 = 562,239.60 : x
  2. Step 2: Convert to fraction form
    992,005.62/1,369,074.69 = 562,239.60/x
  3. Step 3: Cross multiply
    992,005.62x = 1,369,074.69 × 562,239.60
  4. Step 4: Simplify right side
    992,005.62x = 769,748,006,075.72
  5. Step 5: Solve for x
    x = 769,748,006,075.72/992,005.62
  6. Step 6: Final answer
    x = 775,951.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.