Home / 1,006,087.06-1,388,393.56-570,587.32

Finding the Fourth Proportional to 1,006,087.06, 1,388,393.56 and 570,587.32

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Solution

The fourth proportional to 1,006,087.06, 1,388,393.56 and 570,587.32 is: 787,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,087.06 : 1,388,393.56 = 570,587.32 : x
  2. Step 2: Convert to fraction form
    1,006,087.06/1,388,393.56 = 570,587.32/x
  3. Step 3: Cross multiply
    1,006,087.06x = 1,388,393.56 × 570,587.32
  4. Step 4: Simplify right side
    1,006,087.06x = 792,199,760,505.66
  5. Step 5: Solve for x
    x = 792,199,760,505.66/1,006,087.06
  6. Step 6: Final answer
    x = 787,406.77

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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.