Home / 1,072,603.52-1,479,288.12-766,112.48

Finding the Fourth Proportional to 1,072,603.52, 1,479,288.12 and 766,112.48

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Solution

The fourth proportional to 1,072,603.52, 1,479,288.12 and 766,112.48 is: 1,056,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,603.52 : 1,479,288.12 = 766,112.48 : x
  2. Step 2: Convert to fraction form
    1,072,603.52/1,479,288.12 = 766,112.48/x
  3. Step 3: Cross multiply
    1,072,603.52x = 1,479,288.12 × 766,112.48
  4. Step 4: Simplify right side
    1,072,603.52x = 1,133,301,090,247.74
  5. Step 5: Solve for x
    x = 1,133,301,090,247.74/1,072,603.52
  6. Step 6: Final answer
    x = 1,056,589.01

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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.