Home / 1,152,427.45-1,590,308.20-636,170.26

Finding the Fourth Proportional to 1,152,427.45, 1,590,308.20 and 636,170.26

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Solution

The fourth proportional to 1,152,427.45, 1,590,308.20 and 636,170.26 is: 877,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,427.45 : 1,590,308.20 = 636,170.26 : x
  2. Step 2: Convert to fraction form
    1,152,427.45/1,590,308.20 = 636,170.26/x
  3. Step 3: Cross multiply
    1,152,427.45x = 1,590,308.20 × 636,170.26
  4. Step 4: Simplify right side
    1,152,427.45x = 1,011,706,781,074.13
  5. Step 5: Solve for x
    x = 1,011,706,781,074.13/1,152,427.45
  6. Step 6: Final answer
    x = 877,891.95

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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.