Home / 1,551,028.48-2,140,388.60-862,685.53

Finding the Fourth Proportional to 1,551,028.48, 2,140,388.60 and 862,685.53

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Solution

The fourth proportional to 1,551,028.48, 2,140,388.60 and 862,685.53 is: 1,190,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,028.48 : 2,140,388.60 = 862,685.53 : x
  2. Step 2: Convert to fraction form
    1,551,028.48/2,140,388.60 = 862,685.53/x
  3. Step 3: Cross multiply
    1,551,028.48x = 2,140,388.60 × 862,685.53
  4. Step 4: Simplify right side
    1,551,028.48x = 1,846,482,263,095.02
  5. Step 5: Solve for x
    x = 1,846,482,263,095.02/1,551,028.48
  6. Step 6: Final answer
    x = 1,190,488.95

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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.