Home / 1,432,934.72-1,977,449.84-788,341.06

Finding the Fourth Proportional to 1,432,934.72, 1,977,449.84 and 788,341.06

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Solution

The fourth proportional to 1,432,934.72, 1,977,449.84 and 788,341.06 is: 1,087,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,934.72 : 1,977,449.84 = 788,341.06 : x
  2. Step 2: Convert to fraction form
    1,432,934.72/1,977,449.84 = 788,341.06/x
  3. Step 3: Cross multiply
    1,432,934.72x = 1,977,449.84 × 788,341.06
  4. Step 4: Simplify right side
    1,432,934.72x = 1,558,904,902,962.43
  5. Step 5: Solve for x
    x = 1,558,904,902,962.43/1,432,934.72
  6. Step 6: Final answer
    x = 1,087,910.62

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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.