Home / 1,501,098.87-2,071,519.65-812,778.89

Finding the Fourth Proportional to 1,501,098.87, 2,071,519.65 and 812,778.89

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Solution

The fourth proportional to 1,501,098.87, 2,071,519.65 and 812,778.89 is: 1,121,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,098.87 : 2,071,519.65 = 812,778.89 : x
  2. Step 2: Convert to fraction form
    1,501,098.87/2,071,519.65 = 812,778.89/x
  3. Step 3: Cross multiply
    1,501,098.87x = 2,071,519.65 × 812,778.89
  4. Step 4: Simplify right side
    1,501,098.87x = 1,683,687,441,740.19
  5. Step 5: Solve for x
    x = 1,683,687,441,740.19/1,501,098.87
  6. Step 6: Final answer
    x = 1,121,636.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.