Home / 1,039,419.79-1,559,277.48-319,821.16

Finding the Fourth Proportional to 1,039,419.79, 1,559,277.48 and 319,821.16

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Solution

The fourth proportional to 1,039,419.79, 1,559,277.48 and 319,821.16 is: 479,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,419.79 : 1,559,277.48 = 319,821.16 : x
  2. Step 2: Convert to fraction form
    1,039,419.79/1,559,277.48 = 319,821.16/x
  3. Step 3: Cross multiply
    1,039,419.79x = 1,559,277.48 × 319,821.16
  4. Step 4: Simplify right side
    1,039,419.79x = 498,689,932,415.48
  5. Step 5: Solve for x
    x = 498,689,932,415.48/1,039,419.79
  6. Step 6: Final answer
    x = 479,777.22

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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.