Home / 1,215,184.76-1,822,355.02-676,263.45

Finding the Fourth Proportional to 1,215,184.76, 1,822,355.02 and 676,263.45

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Solution

The fourth proportional to 1,215,184.76, 1,822,355.02 and 676,263.45 is: 1,014,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,184.76 : 1,822,355.02 = 676,263.45 : x
  2. Step 2: Convert to fraction form
    1,215,184.76/1,822,355.02 = 676,263.45/x
  3. Step 3: Cross multiply
    1,215,184.76x = 1,822,355.02 × 676,263.45
  4. Step 4: Simplify right side
    1,215,184.76x = 1,232,392,100,629.18
  5. Step 5: Solve for x
    x = 1,232,392,100,629.18/1,215,184.76
  6. Step 6: Final answer
    x = 1,014,160.27

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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.