Home / 1,561,129.72-2,154,331.02-882,051.64

Finding the Fourth Proportional to 1,561,129.72, 2,154,331.02 and 882,051.64

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Solution

The fourth proportional to 1,561,129.72, 2,154,331.02 and 882,051.64 is: 1,217,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,129.72 : 2,154,331.02 = 882,051.64 : x
  2. Step 2: Convert to fraction form
    1,561,129.72/2,154,331.02 = 882,051.64/x
  3. Step 3: Cross multiply
    1,561,129.72x = 2,154,331.02 × 882,051.64
  4. Step 4: Simplify right side
    1,561,129.72x = 1,900,231,209,293.87
  5. Step 5: Solve for x
    x = 1,900,231,209,293.87/1,561,129.72
  6. Step 6: Final answer
    x = 1,217,215.45

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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.