Home / 1,005,415.20-1,508,122.80-887,317.20

Finding the Fourth Proportional to 1,005,415.20, 1,508,122.80 and 887,317.20

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Solution

The fourth proportional to 1,005,415.20, 1,508,122.80 and 887,317.20 is: 1,330,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,415.20 : 1,508,122.80 = 887,317.20 : x
  2. Step 2: Convert to fraction form
    1,005,415.20/1,508,122.80 = 887,317.20/x
  3. Step 3: Cross multiply
    1,005,415.20x = 1,508,122.80 × 887,317.20
  4. Step 4: Simplify right side
    1,005,415.20x = 1,338,183,300,152.16
  5. Step 5: Solve for x
    x = 1,338,183,300,152.16/1,005,415.20
  6. Step 6: Final answer
    x = 1,330,975.80

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Similar ratio
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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.