Home / 1,007,321.20-1,512,148.20-608,412.40

Finding the Fourth Proportional to 1,007,321.20, 1,512,148.20 and 608,412.40

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Solution

The fourth proportional to 1,007,321.20, 1,512,148.20 and 608,412.40 is: 913,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,321.20 : 1,512,148.20 = 608,412.40 : x
  2. Step 2: Convert to fraction form
    1,007,321.20/1,512,148.20 = 608,412.40/x
  3. Step 3: Cross multiply
    1,007,321.20x = 1,512,148.20 × 608,412.40
  4. Step 4: Simplify right side
    1,007,321.20x = 920,009,715,517.68
  5. Step 5: Solve for x
    x = 920,009,715,517.68/1,007,321.20
  6. Step 6: Final answer
    x = 913,323.09

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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.