Home / 1,534,892.76-2,117,636.46-890,077.68

Finding the Fourth Proportional to 1,534,892.76, 2,117,636.46 and 890,077.68

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Solution

The fourth proportional to 1,534,892.76, 2,117,636.46 and 890,077.68 is: 1,228,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,892.76 : 2,117,636.46 = 890,077.68 : x
  2. Step 2: Convert to fraction form
    1,534,892.76/2,117,636.46 = 890,077.68/x
  3. Step 3: Cross multiply
    1,534,892.76x = 2,117,636.46 × 890,077.68
  4. Step 4: Simplify right side
    1,534,892.76x = 1,884,860,947,400.21
  5. Step 5: Solve for x
    x = 1,884,860,947,400.21/1,534,892.76
  6. Step 6: Final answer
    x = 1,228,008.23

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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.