Home / 1,220,477.76-1,831,394.88-546,531.84

Finding the Fourth Proportional to 1,220,477.76, 1,831,394.88 and 546,531.84

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Solution

The fourth proportional to 1,220,477.76, 1,831,394.88 and 546,531.84 is: 820,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,477.76 : 1,831,394.88 = 546,531.84 : x
  2. Step 2: Convert to fraction form
    1,220,477.76/1,831,394.88 = 546,531.84/x
  3. Step 3: Cross multiply
    1,220,477.76x = 1,831,394.88 × 546,531.84
  4. Step 4: Simplify right side
    1,220,477.76x = 1,000,915,613,532.98
  5. Step 5: Solve for x
    x = 1,000,915,613,532.98/1,220,477.76
  6. Step 6: Final answer
    x = 820,101.48

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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.