Home / 1,561,391.52-2,340,280.08-718,173.60

Finding the Fourth Proportional to 1,561,391.52, 2,340,280.08 and 718,173.60

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Solution

The fourth proportional to 1,561,391.52, 2,340,280.08 and 718,173.60 is: 1,076,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,391.52 : 2,340,280.08 = 718,173.60 : x
  2. Step 2: Convert to fraction form
    1,561,391.52/2,340,280.08 = 718,173.60/x
  3. Step 3: Cross multiply
    1,561,391.52x = 2,340,280.08 × 718,173.60
  4. Step 4: Simplify right side
    1,561,391.52x = 1,680,727,370,061.89
  5. Step 5: Solve for x
    x = 1,680,727,370,061.89/1,561,391.52
  6. Step 6: Final answer
    x = 1,076,429.16

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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.