Home / 1,282,962.96-1,925,935.20-750,865.86

Finding the Fourth Proportional to 1,282,962.96, 1,925,935.20 and 750,865.86

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Solution

The fourth proportional to 1,282,962.96, 1,925,935.20 and 750,865.86 is: 1,127,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,962.96 : 1,925,935.20 = 750,865.86 : x
  2. Step 2: Convert to fraction form
    1,282,962.96/1,925,935.20 = 750,865.86/x
  3. Step 3: Cross multiply
    1,282,962.96x = 1,925,935.20 × 750,865.86
  4. Step 4: Simplify right side
    1,282,962.96x = 1,446,118,990,252.27
  5. Step 5: Solve for x
    x = 1,446,118,990,252.27/1,282,962.96
  6. Step 6: Final answer
    x = 1,127,171.27

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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.