Home / 1,487,382.90-2,051,832.85-971,439.06

Finding the Fourth Proportional to 1,487,382.90, 2,051,832.85 and 971,439.06

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Solution

The fourth proportional to 1,487,382.90, 2,051,832.85 and 971,439.06 is: 1,340,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,382.90 : 2,051,832.85 = 971,439.06 : x
  2. Step 2: Convert to fraction form
    1,487,382.90/2,051,832.85 = 971,439.06/x
  3. Step 3: Cross multiply
    1,487,382.90x = 2,051,832.85 × 971,439.06
  4. Step 4: Simplify right side
    1,487,382.90x = 1,993,230,575,081.12
  5. Step 5: Solve for x
    x = 1,993,230,575,081.12/1,487,382.90
  6. Step 6: Final answer
    x = 1,340,092.44

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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.