Home / 1,203,763.35-1,661,312.22-687,594.39

Finding the Fourth Proportional to 1,203,763.35, 1,661,312.22 and 687,594.39

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Solution

The fourth proportional to 1,203,763.35, 1,661,312.22 and 687,594.39 is: 948,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,763.35 : 1,661,312.22 = 687,594.39 : x
  2. Step 2: Convert to fraction form
    1,203,763.35/1,661,312.22 = 687,594.39/x
  3. Step 3: Cross multiply
    1,203,763.35x = 1,661,312.22 × 687,594.39
  4. Step 4: Simplify right side
    1,203,763.35x = 1,142,308,962,510.45
  5. Step 5: Solve for x
    x = 1,142,308,962,510.45/1,203,763.35
  6. Step 6: Final answer
    x = 948,948.12

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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.