Home / 1,186,845.04-1,780,547.58-388,123.48

Finding the Fourth Proportional to 1,186,845.04, 1,780,547.58 and 388,123.48

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Solution

The fourth proportional to 1,186,845.04, 1,780,547.58 and 388,123.48 is: 582,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,845.04 : 1,780,547.58 = 388,123.48 : x
  2. Step 2: Convert to fraction form
    1,186,845.04/1,780,547.58 = 388,123.48/x
  3. Step 3: Cross multiply
    1,186,845.04x = 1,780,547.58 × 388,123.48
  4. Step 4: Simplify right side
    1,186,845.04x = 691,072,323,055.18
  5. Step 5: Solve for x
    x = 691,072,323,055.18/1,186,845.04
  6. Step 6: Final answer
    x = 582,276.79

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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.