Home / 1,294,564.47-1,786,508.36-713,809.45

Finding the Fourth Proportional to 1,294,564.47, 1,786,508.36 and 713,809.45

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Solution

The fourth proportional to 1,294,564.47, 1,786,508.36 and 713,809.45 is: 985,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,564.47 : 1,786,508.36 = 713,809.45 : x
  2. Step 2: Convert to fraction form
    1,294,564.47/1,786,508.36 = 713,809.45/x
  3. Step 3: Cross multiply
    1,294,564.47x = 1,786,508.36 × 713,809.45
  4. Step 4: Simplify right side
    1,294,564.47x = 1,275,226,549,872.00
  5. Step 5: Solve for x
    x = 1,275,226,549,872.00/1,294,564.47
  6. Step 6: Final answer
    x = 985,062.22

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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.