Home / 1,446,312.61-2,169,382.80-647,379.64

Finding the Fourth Proportional to 1,446,312.61, 2,169,382.80 and 647,379.64

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Solution

The fourth proportional to 1,446,312.61, 2,169,382.80 and 647,379.64 is: 971,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,312.61 : 2,169,382.80 = 647,379.64 : x
  2. Step 2: Convert to fraction form
    1,446,312.61/2,169,382.80 = 647,379.64/x
  3. Step 3: Cross multiply
    1,446,312.61x = 2,169,382.80 × 647,379.64
  4. Step 4: Simplify right side
    1,446,312.61x = 1,404,414,261,225.59
  5. Step 5: Solve for x
    x = 1,404,414,261,225.59/1,446,312.61
  6. Step 6: Final answer
    x = 971,030.92

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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.