Home / 1,543,406.10-2,314,331.55-912,513.30

Finding the Fourth Proportional to 1,543,406.10, 2,314,331.55 and 912,513.30

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Solution

The fourth proportional to 1,543,406.10, 2,314,331.55 and 912,513.30 is: 1,368,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,406.10 : 2,314,331.55 = 912,513.30 : x
  2. Step 2: Convert to fraction form
    1,543,406.10/2,314,331.55 = 912,513.30/x
  3. Step 3: Cross multiply
    1,543,406.10x = 2,314,331.55 × 912,513.30
  4. Step 4: Simplify right side
    1,543,406.10x = 2,111,858,319,984.62
  5. Step 5: Solve for x
    x = 2,111,858,319,984.62/1,543,406.10
  6. Step 6: Final answer
    x = 1,368,310.21

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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.