Home / 1,115,061.20-1,538,708.64-605,752.64

Finding the Fourth Proportional to 1,115,061.20, 1,538,708.64 and 605,752.64

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Solution

The fourth proportional to 1,115,061.20, 1,538,708.64 and 605,752.64 is: 835,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,061.20 : 1,538,708.64 = 605,752.64 : x
  2. Step 2: Convert to fraction form
    1,115,061.20/1,538,708.64 = 605,752.64/x
  3. Step 3: Cross multiply
    1,115,061.20x = 1,538,708.64 × 605,752.64
  4. Step 4: Simplify right side
    1,115,061.20x = 932,076,820,870.81
  5. Step 5: Solve for x
    x = 932,076,820,870.81/1,115,061.20
  6. Step 6: Final answer
    x = 835,897.46

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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.