Home / 1,056,557.20-1,586,002.20-657,648.40

Finding the Fourth Proportional to 1,056,557.20, 1,586,002.20 and 657,648.40

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Solution

The fourth proportional to 1,056,557.20, 1,586,002.20 and 657,648.40 is: 987,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,557.20 : 1,586,002.20 = 657,648.40 : x
  2. Step 2: Convert to fraction form
    1,056,557.20/1,586,002.20 = 657,648.40/x
  3. Step 3: Cross multiply
    1,056,557.20x = 1,586,002.20 × 657,648.40
  4. Step 4: Simplify right side
    1,056,557.20x = 1,043,031,809,226.48
  5. Step 5: Solve for x
    x = 1,043,031,809,226.48/1,056,557.20
  6. Step 6: Final answer
    x = 987,198.62

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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.