Home / 1,079,088.66-1,618,479.50-439,671.42

Finding the Fourth Proportional to 1,079,088.66, 1,618,479.50 and 439,671.42

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Solution

The fourth proportional to 1,079,088.66, 1,618,479.50 and 439,671.42 is: 659,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,088.66 : 1,618,479.50 = 439,671.42 : x
  2. Step 2: Convert to fraction form
    1,079,088.66/1,618,479.50 = 439,671.42/x
  3. Step 3: Cross multiply
    1,079,088.66x = 1,618,479.50 × 439,671.42
  4. Step 4: Simplify right side
    1,079,088.66x = 711,599,177,807.53
  5. Step 5: Solve for x
    x = 711,599,177,807.53/1,079,088.66
  6. Step 6: Final answer
    x = 659,444.59

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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.