Home / 1,347,548.60-2,021,322.90-816,107.60

Finding the Fourth Proportional to 1,347,548.60, 2,021,322.90 and 816,107.60

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Solution

The fourth proportional to 1,347,548.60, 2,021,322.90 and 816,107.60 is: 1,224,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,548.60 : 2,021,322.90 = 816,107.60 : x
  2. Step 2: Convert to fraction form
    1,347,548.60/2,021,322.90 = 816,107.60/x
  3. Step 3: Cross multiply
    1,347,548.60x = 2,021,322.90 × 816,107.60
  4. Step 4: Simplify right side
    1,347,548.60x = 1,649,616,980,744.04
  5. Step 5: Solve for x
    x = 1,649,616,980,744.04/1,347,548.60
  6. Step 6: Final answer
    x = 1,224,161.40

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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.