Home / 1,029,996-1,421,081.52-648,403.68

Finding the Fourth Proportional to 1,029,996, 1,421,081.52 and 648,403.68

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Solution

The fourth proportional to 1,029,996, 1,421,081.52 and 648,403.68 is: 894,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,996 : 1,421,081.52 = 648,403.68 : x
  2. Step 2: Convert to fraction form
    1,029,996/1,421,081.52 = 648,403.68/x
  3. Step 3: Cross multiply
    1,029,996x = 1,421,081.52 × 648,403.68
  4. Step 4: Simplify right side
    1,029,996x = 921,434,487,147.99
  5. Step 5: Solve for x
    x = 921,434,487,147.99/1,029,996
  6. Step 6: Final answer
    x = 894,600.06

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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.