Home / 1,170,878.80-1,756,435.04-317,964.32

Finding the Fourth Proportional to 1,170,878.80, 1,756,435.04 and 317,964.32

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Solution

The fourth proportional to 1,170,878.80, 1,756,435.04 and 317,964.32 is: 476,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,878.80 : 1,756,435.04 = 317,964.32 : x
  2. Step 2: Convert to fraction form
    1,170,878.80/1,756,435.04 = 317,964.32/x
  3. Step 3: Cross multiply
    1,170,878.80x = 1,756,435.04 × 317,964.32
  4. Step 4: Simplify right side
    1,170,878.80x = 558,483,673,117.77
  5. Step 5: Solve for x
    x = 558,483,673,117.77/1,170,878.80
  6. Step 6: Final answer
    x = 476,978.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.