Home / 1,186,862.04-1,780,573.08-388,140.48

Finding the Fourth Proportional to 1,186,862.04, 1,780,573.08 and 388,140.48

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Solution

The fourth proportional to 1,186,862.04, 1,780,573.08 and 388,140.48 is: 582,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,862.04 : 1,780,573.08 = 388,140.48 : x
  2. Step 2: Convert to fraction form
    1,186,862.04/1,780,573.08 = 388,140.48/x
  3. Step 3: Cross multiply
    1,186,862.04x = 1,780,573.08 × 388,140.48
  4. Step 4: Simplify right side
    1,186,862.04x = 691,112,489,946.28
  5. Step 5: Solve for x
    x = 691,112,489,946.28/1,186,862.04
  6. Step 6: Final answer
    x = 582,302.30

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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.