Home / 1,175,285.46-1,763,426.28-642,183.66

Finding the Fourth Proportional to 1,175,285.46, 1,763,426.28 and 642,183.66

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Solution

The fourth proportional to 1,175,285.46, 1,763,426.28 and 642,183.66 is: 963,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,285.46 : 1,763,426.28 = 642,183.66 : x
  2. Step 2: Convert to fraction form
    1,175,285.46/1,763,426.28 = 642,183.66/x
  3. Step 3: Cross multiply
    1,175,285.46x = 1,763,426.28 × 642,183.66
  4. Step 4: Simplify right side
    1,175,285.46x = 1,132,443,542,630.59
  5. Step 5: Solve for x
    x = 1,132,443,542,630.59/1,175,285.46
  6. Step 6: Final answer
    x = 963,547.65

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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.