Home / 1,026,399.60-1,539,818.10-316,499.40

Finding the Fourth Proportional to 1,026,399.60, 1,539,818.10 and 316,499.40

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Solution

The fourth proportional to 1,026,399.60, 1,539,818.10 and 316,499.40 is: 474,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,399.60 : 1,539,818.10 = 316,499.40 : x
  2. Step 2: Convert to fraction form
    1,026,399.60/1,539,818.10 = 316,499.40/x
  3. Step 3: Cross multiply
    1,026,399.60x = 1,539,818.10 × 316,499.40
  4. Step 4: Simplify right side
    1,026,399.60x = 487,351,504,759.14
  5. Step 5: Solve for x
    x = 487,351,504,759.14/1,026,399.60
  6. Step 6: Final answer
    x = 474,816.54

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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.