Home / 1,432,206.54-1,976,405.54-787,626.74

Finding the Fourth Proportional to 1,432,206.54, 1,976,405.54 and 787,626.74

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Solution

The fourth proportional to 1,432,206.54, 1,976,405.54 and 787,626.74 is: 1,086,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,206.54 : 1,976,405.54 = 787,626.74 : x
  2. Step 2: Convert to fraction form
    1,432,206.54/1,976,405.54 = 787,626.74/x
  3. Step 3: Cross multiply
    1,432,206.54x = 1,976,405.54 × 787,626.74
  4. Step 4: Simplify right side
    1,432,206.54x = 1,556,669,838,567.98
  5. Step 5: Solve for x
    x = 1,556,669,838,567.98/1,432,206.54
  6. Step 6: Final answer
    x = 1,086,903.18

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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.