Home / 1,457,999.97-2,012,041.22-813,420.29

Finding the Fourth Proportional to 1,457,999.97, 2,012,041.22 and 813,420.29

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Solution

The fourth proportional to 1,457,999.97, 2,012,041.22 and 813,420.29 is: 1,122,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,999.97 : 2,012,041.22 = 813,420.29 : x
  2. Step 2: Convert to fraction form
    1,457,999.97/2,012,041.22 = 813,420.29/x
  3. Step 3: Cross multiply
    1,457,999.97x = 2,012,041.22 × 813,420.29
  4. Step 4: Simplify right side
    1,457,999.97x = 1,636,635,153,627.36
  5. Step 5: Solve for x
    x = 1,636,635,153,627.36/1,457,999.97
  6. Step 6: Final answer
    x = 1,122,520.71

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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.