Home / 1,522,086.95-2,100,495.43-918,358.31

Finding the Fourth Proportional to 1,522,086.95, 2,100,495.43 and 918,358.31

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Solution

The fourth proportional to 1,522,086.95, 2,100,495.43 and 918,358.31 is: 1,267,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,086.95 : 2,100,495.43 = 918,358.31 : x
  2. Step 2: Convert to fraction form
    1,522,086.95/2,100,495.43 = 918,358.31/x
  3. Step 3: Cross multiply
    1,522,086.95x = 2,100,495.43 × 918,358.31
  4. Step 4: Simplify right side
    1,522,086.95x = 1,929,007,439,656.71
  5. Step 5: Solve for x
    x = 1,929,007,439,656.71/1,522,086.95
  6. Step 6: Final answer
    x = 1,267,343.79

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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.