Home / 1,321,385.52-1,823,639.64-740,706.93

Finding the Fourth Proportional to 1,321,385.52, 1,823,639.64 and 740,706.93

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Solution

The fourth proportional to 1,321,385.52, 1,823,639.64 and 740,706.93 is: 1,022,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,385.52 : 1,823,639.64 = 740,706.93 : x
  2. Step 2: Convert to fraction form
    1,321,385.52/1,823,639.64 = 740,706.93/x
  3. Step 3: Cross multiply
    1,321,385.52x = 1,823,639.64 × 740,706.93
  4. Step 4: Simplify right side
    1,321,385.52x = 1,350,782,519,170.71
  5. Step 5: Solve for x
    x = 1,350,782,519,170.71/1,321,385.52
  6. Step 6: Final answer
    x = 1,022,247.10

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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.