Home / 1,175,959.74-1,763,933.04-428,005.74

Finding the Fourth Proportional to 1,175,959.74, 1,763,933.04 and 428,005.74

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Solution

The fourth proportional to 1,175,959.74, 1,763,933.04 and 428,005.74 is: 642,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,959.74 : 1,763,933.04 = 428,005.74 : x
  2. Step 2: Convert to fraction form
    1,175,959.74/1,763,933.04 = 428,005.74/x
  3. Step 3: Cross multiply
    1,175,959.74x = 1,763,933.04 × 428,005.74
  4. Step 4: Simplify right side
    1,175,959.74x = 754,973,466,095.65
  5. Step 5: Solve for x
    x = 754,973,466,095.65/1,175,959.74
  6. Step 6: Final answer
    x = 642,006.22

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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.