Home / 1,334,810.70-1,842,029.28-722,949.30

Finding the Fourth Proportional to 1,334,810.70, 1,842,029.28 and 722,949.30

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Solution

The fourth proportional to 1,334,810.70, 1,842,029.28 and 722,949.30 is: 997,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,810.70 : 1,842,029.28 = 722,949.30 : x
  2. Step 2: Convert to fraction form
    1,334,810.70/1,842,029.28 = 722,949.30/x
  3. Step 3: Cross multiply
    1,334,810.70x = 1,842,029.28 × 722,949.30
  4. Step 4: Simplify right side
    1,334,810.70x = 1,331,693,778,555.50
  5. Step 5: Solve for x
    x = 1,331,693,778,555.50/1,334,810.70
  6. Step 6: Final answer
    x = 997,664.90

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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.