Home / 1,076,434.48-1,615,287.47-393,260.60

Finding the Fourth Proportional to 1,076,434.48, 1,615,287.47 and 393,260.60

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Solution

The fourth proportional to 1,076,434.48, 1,615,287.47 and 393,260.60 is: 590,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,434.48 : 1,615,287.47 = 393,260.60 : x
  2. Step 2: Convert to fraction form
    1,076,434.48/1,615,287.47 = 393,260.60/x
  3. Step 3: Cross multiply
    1,076,434.48x = 1,615,287.47 × 393,260.60
  4. Step 4: Simplify right side
    1,076,434.48x = 635,228,921,696.60
  5. Step 5: Solve for x
    x = 635,228,921,696.60/1,076,434.48
  6. Step 6: Final answer
    x = 590,123.17

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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.