Home / 1,377,170.25-1,900,720.34-1,147,363.13

Finding the Fourth Proportional to 1,377,170.25, 1,900,720.34 and 1,147,363.13

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Solution

The fourth proportional to 1,377,170.25, 1,900,720.34 and 1,147,363.13 is: 1,583,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,170.25 : 1,900,720.34 = 1,147,363.13 : x
  2. Step 2: Convert to fraction form
    1,377,170.25/1,900,720.34 = 1,147,363.13/x
  3. Step 3: Cross multiply
    1,377,170.25x = 1,900,720.34 × 1,147,363.13
  4. Step 4: Simplify right side
    1,377,170.25x = 2,180,816,423,316.65
  5. Step 5: Solve for x
    x = 2,180,816,423,316.65/1,377,170.25
  6. Step 6: Final answer
    x = 1,583,548.89

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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.