Home / 1,310,528.77-1,964,990.35-510,876.12

Finding the Fourth Proportional to 1,310,528.77, 1,964,990.35 and 510,876.12

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Solution

The fourth proportional to 1,310,528.77, 1,964,990.35 and 510,876.12 is: 766,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,528.77 : 1,964,990.35 = 510,876.12 : x
  2. Step 2: Convert to fraction form
    1,310,528.77/1,964,990.35 = 510,876.12/x
  3. Step 3: Cross multiply
    1,310,528.77x = 1,964,990.35 × 510,876.12
  4. Step 4: Simplify right side
    1,310,528.77x = 1,003,866,645,845.44
  5. Step 5: Solve for x
    x = 1,003,866,645,845.44/1,310,528.77
  6. Step 6: Final answer
    x = 766,001.23

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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.