Home / 1,220,324.64-1,830,505.42-461,962.50

Finding the Fourth Proportional to 1,220,324.64, 1,830,505.42 and 461,962.50

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Solution

The fourth proportional to 1,220,324.64, 1,830,505.42 and 461,962.50 is: 692,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,324.64 : 1,830,505.42 = 461,962.50 : x
  2. Step 2: Convert to fraction form
    1,220,324.64/1,830,505.42 = 461,962.50/x
  3. Step 3: Cross multiply
    1,220,324.64x = 1,830,505.42 × 461,962.50
  4. Step 4: Simplify right side
    1,220,324.64x = 845,624,860,086.75
  5. Step 5: Solve for x
    x = 845,624,860,086.75/1,220,324.64
  6. Step 6: Final answer
    x = 692,950.74

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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.