Home / 1,347,206.55-1,858,867.51-774,136.01

Finding the Fourth Proportional to 1,347,206.55, 1,858,867.51 and 774,136.01

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Solution

The fourth proportional to 1,347,206.55, 1,858,867.51 and 774,136.01 is: 1,068,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,206.55 : 1,858,867.51 = 774,136.01 : x
  2. Step 2: Convert to fraction form
    1,347,206.55/1,858,867.51 = 774,136.01/x
  3. Step 3: Cross multiply
    1,347,206.55x = 1,858,867.51 × 774,136.01
  4. Step 4: Simplify right side
    1,347,206.55x = 1,439,016,277,310.04
  5. Step 5: Solve for x
    x = 1,439,016,277,310.04/1,347,206.55
  6. Step 6: Final answer
    x = 1,068,148.22

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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.