Home / 1,434,985.50-1,980,136.32-883,612.83

Finding the Fourth Proportional to 1,434,985.50, 1,980,136.32 and 883,612.83

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Solution

The fourth proportional to 1,434,985.50, 1,980,136.32 and 883,612.83 is: 1,219,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,985.50 : 1,980,136.32 = 883,612.83 : x
  2. Step 2: Convert to fraction form
    1,434,985.50/1,980,136.32 = 883,612.83/x
  3. Step 3: Cross multiply
    1,434,985.50x = 1,980,136.32 × 883,612.83
  4. Step 4: Simplify right side
    1,434,985.50x = 1,749,673,857,500.99
  5. Step 5: Solve for x
    x = 1,749,673,857,500.99/1,434,985.50
  6. Step 6: Final answer
    x = 1,219,297.24

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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.