Home / 1,663,729.72-2,295,948.54-899,783.29

Finding the Fourth Proportional to 1,663,729.72, 2,295,948.54 and 899,783.29

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Solution

The fourth proportional to 1,663,729.72, 2,295,948.54 and 899,783.29 is: 1,241,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,729.72 : 2,295,948.54 = 899,783.29 : x
  2. Step 2: Convert to fraction form
    1,663,729.72/2,295,948.54 = 899,783.29/x
  3. Step 3: Cross multiply
    1,663,729.72x = 2,295,948.54 × 899,783.29
  4. Step 4: Simplify right side
    1,663,729.72x = 2,065,856,116,729.39
  5. Step 5: Solve for x
    x = 2,065,856,116,729.39/1,663,729.72
  6. Step 6: Final answer
    x = 1,241,701.75

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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.