Home / 1,487,451.03-2,051,981.31-1,078,656.09

Finding the Fourth Proportional to 1,487,451.03, 2,051,981.31 and 1,078,656.09

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Solution

The fourth proportional to 1,487,451.03, 2,051,981.31 and 1,078,656.09 is: 1,488,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,451.03 : 2,051,981.31 = 1,078,656.09 : x
  2. Step 2: Convert to fraction form
    1,487,451.03/2,051,981.31 = 1,078,656.09/x
  3. Step 3: Cross multiply
    1,487,451.03x = 2,051,981.31 × 1,078,656.09
  4. Step 4: Simplify right side
    1,487,451.03x = 2,213,382,136,597.68
  5. Step 5: Solve for x
    x = 2,213,382,136,597.68/1,487,451.03
  6. Step 6: Final answer
    x = 1,488,036.98

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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.