Home / 1,185,129.02-1,635,465.75-641,252.79

Finding the Fourth Proportional to 1,185,129.02, 1,635,465.75 and 641,252.79

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Solution

The fourth proportional to 1,185,129.02, 1,635,465.75 and 641,252.79 is: 884,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,129.02 : 1,635,465.75 = 641,252.79 : x
  2. Step 2: Convert to fraction form
    1,185,129.02/1,635,465.75 = 641,252.79/x
  3. Step 3: Cross multiply
    1,185,129.02x = 1,635,465.75 × 641,252.79
  4. Step 4: Simplify right side
    1,185,129.02x = 1,048,746,975,136.94
  5. Step 5: Solve for x
    x = 1,048,746,975,136.94/1,185,129.02
  6. Step 6: Final answer
    x = 884,922.20

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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.