Home / 1,663,426.21-2,295,530.65-899,479.78

Finding the Fourth Proportional to 1,663,426.21, 2,295,530.65 and 899,479.78

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Solution

The fourth proportional to 1,663,426.21, 2,295,530.65 and 899,479.78 is: 1,241,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,426.21 : 2,295,530.65 = 899,479.78 : x
  2. Step 2: Convert to fraction form
    1,663,426.21/2,295,530.65 = 899,479.78/x
  3. Step 3: Cross multiply
    1,663,426.21x = 2,295,530.65 × 899,479.78
  4. Step 4: Simplify right side
    1,663,426.21x = 2,064,783,404,045.26
  5. Step 5: Solve for x
    x = 2,064,783,404,045.26/1,663,426.21
  6. Step 6: Final answer
    x = 1,241,283.44

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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.