Home / 1,291,914.64-1,780,994.52-908,752.24

Finding the Fourth Proportional to 1,291,914.64, 1,780,994.52 and 908,752.24

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Solution

The fourth proportional to 1,291,914.64, 1,780,994.52 and 908,752.24 is: 1,252,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,914.64 : 1,780,994.52 = 908,752.24 : x
  2. Step 2: Convert to fraction form
    1,291,914.64/1,780,994.52 = 908,752.24/x
  3. Step 3: Cross multiply
    1,291,914.64x = 1,780,994.52 × 908,752.24
  4. Step 4: Simplify right side
    1,291,914.64x = 1,618,482,759,477.73
  5. Step 5: Solve for x
    x = 1,618,482,759,477.73/1,291,914.64
  6. Step 6: Final answer
    x = 1,252,778.40

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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.