Home / 1,313,454.90-1,811,878.53-1,068,712.93

Finding the Fourth Proportional to 1,313,454.90, 1,811,878.53 and 1,068,712.93

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Solution

The fourth proportional to 1,313,454.90, 1,811,878.53 and 1,068,712.93 is: 1,474,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,454.90 : 1,811,878.53 = 1,068,712.93 : x
  2. Step 2: Convert to fraction form
    1,313,454.90/1,811,878.53 = 1,068,712.93/x
  3. Step 3: Cross multiply
    1,313,454.90x = 1,811,878.53 × 1,068,712.93
  4. Step 4: Simplify right side
    1,313,454.90x = 1,936,378,012,600.39
  5. Step 5: Solve for x
    x = 1,936,378,012,600.39/1,313,454.90
  6. Step 6: Final answer
    x = 1,474,263.04

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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.