Home / 1,274,807.88-1,758,837.62-723,432.20

Finding the Fourth Proportional to 1,274,807.88, 1,758,837.62 and 723,432.20

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Solution

The fourth proportional to 1,274,807.88, 1,758,837.62 and 723,432.20 is: 998,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,807.88 : 1,758,837.62 = 723,432.20 : x
  2. Step 2: Convert to fraction form
    1,274,807.88/1,758,837.62 = 723,432.20/x
  3. Step 3: Cross multiply
    1,274,807.88x = 1,758,837.62 × 723,432.20
  4. Step 4: Simplify right side
    1,274,807.88x = 1,272,399,768,879.36
  5. Step 5: Solve for x
    x = 1,272,399,768,879.36/1,274,807.88
  6. Step 6: Final answer
    x = 998,111.00

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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.