Home / 1,580,336.88-2,180,870.64-855,184.53

Finding the Fourth Proportional to 1,580,336.88, 2,180,870.64 and 855,184.53

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Solution

The fourth proportional to 1,580,336.88, 2,180,870.64 and 855,184.53 is: 1,180,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,336.88 : 2,180,870.64 = 855,184.53 : x
  2. Step 2: Convert to fraction form
    1,580,336.88/2,180,870.64 = 855,184.53/x
  3. Step 3: Cross multiply
    1,580,336.88x = 2,180,870.64 × 855,184.53
  4. Step 4: Simplify right side
    1,580,336.88x = 1,865,046,833,259.20
  5. Step 5: Solve for x
    x = 1,865,046,833,259.20/1,580,336.88
  6. Step 6: Final answer
    x = 1,180,157.76

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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.