Home / 1,663,425.21-2,295,529.27-899,478.78

Finding the Fourth Proportional to 1,663,425.21, 2,295,529.27 and 899,478.78

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Solution

The fourth proportional to 1,663,425.21, 2,295,529.27 and 899,478.78 is: 1,241,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,425.21 : 2,295,529.27 = 899,478.78 : x
  2. Step 2: Convert to fraction form
    1,663,425.21/2,295,529.27 = 899,478.78/x
  3. Step 3: Cross multiply
    1,663,425.21x = 2,295,529.27 × 899,478.78
  4. Step 4: Simplify right side
    1,663,425.21x = 2,064,779,856,376.96
  5. Step 5: Solve for x
    x = 2,064,779,856,376.96/1,663,425.21
  6. Step 6: Final answer
    x = 1,241,282.05

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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.