Home / 1,153,388.88-1,591,721.70-637,169.40

Finding the Fourth Proportional to 1,153,388.88, 1,591,721.70 and 637,169.40

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Solution

The fourth proportional to 1,153,388.88, 1,591,721.70 and 637,169.40 is: 879,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,388.88 : 1,591,721.70 = 637,169.40 : x
  2. Step 2: Convert to fraction form
    1,153,388.88/1,591,721.70 = 637,169.40/x
  3. Step 3: Cross multiply
    1,153,388.88x = 1,591,721.70 × 637,169.40
  4. Step 4: Simplify right side
    1,153,388.88x = 1,014,196,360,555.98
  5. Step 5: Solve for x
    x = 1,014,196,360,555.98/1,153,388.88
  6. Step 6: Final answer
    x = 879,318.66

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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.