Home / 1,118,302.77-1,677,509.53-319,701.97

Finding the Fourth Proportional to 1,118,302.77, 1,677,509.53 and 319,701.97

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Solution

The fourth proportional to 1,118,302.77, 1,677,509.53 and 319,701.97 is: 479,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,302.77 : 1,677,509.53 = 319,701.97 : x
  2. Step 2: Convert to fraction form
    1,118,302.77/1,677,509.53 = 319,701.97/x
  3. Step 3: Cross multiply
    1,118,302.77x = 1,677,509.53 × 319,701.97
  4. Step 4: Simplify right side
    1,118,302.77x = 536,303,102,732.41
  5. Step 5: Solve for x
    x = 536,303,102,732.41/1,118,302.77
  6. Step 6: Final answer
    x = 479,568.79

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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.