Home / 1,318,731.36-1,976,475.60-607,772.64

Finding the Fourth Proportional to 1,318,731.36, 1,976,475.60 and 607,772.64

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Solution

The fourth proportional to 1,318,731.36, 1,976,475.60 and 607,772.64 is: 910,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,731.36 : 1,976,475.60 = 607,772.64 : x
  2. Step 2: Convert to fraction form
    1,318,731.36/1,976,475.60 = 607,772.64/x
  3. Step 3: Cross multiply
    1,318,731.36x = 1,976,475.60 × 607,772.64
  4. Step 4: Simplify right side
    1,318,731.36x = 1,201,247,793,307.58
  5. Step 5: Solve for x
    x = 1,201,247,793,307.58/1,318,731.36
  6. Step 6: Final answer
    x = 910,911.68

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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.