Home / 1,015,420.61-1,401,917.57-653,473.47

Finding the Fourth Proportional to 1,015,420.61, 1,401,917.57 and 653,473.47

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Solution

The fourth proportional to 1,015,420.61, 1,401,917.57 and 653,473.47 is: 902,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,420.61 : 1,401,917.57 = 653,473.47 : x
  2. Step 2: Convert to fraction form
    1,015,420.61/1,401,917.57 = 653,473.47/x
  3. Step 3: Cross multiply
    1,015,420.61x = 1,401,917.57 × 653,473.47
  4. Step 4: Simplify right side
    1,015,420.61x = 916,115,947,238.01
  5. Step 5: Solve for x
    x = 916,115,947,238.01/1,015,420.61
  6. Step 6: Final answer
    x = 902,203.42

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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.