Home / 1,150,731.52-1,724,899.72-644,550.40

Finding the Fourth Proportional to 1,150,731.52, 1,724,899.72 and 644,550.40

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Solution

The fourth proportional to 1,150,731.52, 1,724,899.72 and 644,550.40 is: 966,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,731.52 : 1,724,899.72 = 644,550.40 : x
  2. Step 2: Convert to fraction form
    1,150,731.52/1,724,899.72 = 644,550.40/x
  3. Step 3: Cross multiply
    1,150,731.52x = 1,724,899.72 × 644,550.40
  4. Step 4: Simplify right side
    1,150,731.52x = 1,111,784,804,485.89
  5. Step 5: Solve for x
    x = 1,111,784,804,485.89/1,150,731.52
  6. Step 6: Final answer
    x = 966,154.82

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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.