Home / 1,358,960.80-1,875,318.09-747,109.13

Finding the Fourth Proportional to 1,358,960.80, 1,875,318.09 and 747,109.13

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Solution

The fourth proportional to 1,358,960.80, 1,875,318.09 and 747,109.13 is: 1,030,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,960.80 : 1,875,318.09 = 747,109.13 : x
  2. Step 2: Convert to fraction form
    1,358,960.80/1,875,318.09 = 747,109.13/x
  3. Step 3: Cross multiply
    1,358,960.80x = 1,875,318.09 × 747,109.13
  4. Step 4: Simplify right side
    1,358,960.80x = 1,401,067,266,693.16
  5. Step 5: Solve for x
    x = 1,401,067,266,693.16/1,358,960.80
  6. Step 6: Final answer
    x = 1,030,984.31

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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.