Home / 1,543,988.64-2,315,908.80-422,060.16

Finding the Fourth Proportional to 1,543,988.64, 2,315,908.80 and 422,060.16

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Solution

The fourth proportional to 1,543,988.64, 2,315,908.80 and 422,060.16 is: 633,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,988.64 : 2,315,908.80 = 422,060.16 : x
  2. Step 2: Convert to fraction form
    1,543,988.64/2,315,908.80 = 422,060.16/x
  3. Step 3: Cross multiply
    1,543,988.64x = 2,315,908.80 × 422,060.16
  4. Step 4: Simplify right side
    1,543,988.64x = 977,452,838,673.41
  5. Step 5: Solve for x
    x = 977,452,838,673.41/1,543,988.64
  6. Step 6: Final answer
    x = 633,069.97

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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.