Home / 1,128,780.28-1,693,335.66-529,802.28

Finding the Fourth Proportional to 1,128,780.28, 1,693,335.66 and 529,802.28

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Solution

The fourth proportional to 1,128,780.28, 1,693,335.66 and 529,802.28 is: 794,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,780.28 : 1,693,335.66 = 529,802.28 : x
  2. Step 2: Convert to fraction form
    1,128,780.28/1,693,335.66 = 529,802.28/x
  3. Step 3: Cross multiply
    1,128,780.28x = 1,693,335.66 × 529,802.28
  4. Step 4: Simplify right side
    1,128,780.28x = 897,133,093,473.31
  5. Step 5: Solve for x
    x = 897,133,093,473.31/1,128,780.28
  6. Step 6: Final answer
    x = 794,780.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.