Home / 1,145,917.72-1,718,285.28-514,291.06

Finding the Fourth Proportional to 1,145,917.72, 1,718,285.28 and 514,291.06

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Solution

The fourth proportional to 1,145,917.72, 1,718,285.28 and 514,291.06 is: 771,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,917.72 : 1,718,285.28 = 514,291.06 : x
  2. Step 2: Convert to fraction form
    1,145,917.72/1,718,285.28 = 514,291.06/x
  3. Step 3: Cross multiply
    1,145,917.72x = 1,718,285.28 × 514,291.06
  4. Step 4: Simplify right side
    1,145,917.72x = 883,698,758,033.60
  5. Step 5: Solve for x
    x = 883,698,758,033.60/1,145,917.72
  6. Step 6: Final answer
    x = 771,171.21

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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.