Home / 816,051.30-1,221,312.15-816,051.30

Finding the Fourth Proportional to 816,051.30, 1,221,312.15 and 816,051.30

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Solution

The fourth proportional to 816,051.30, 1,221,312.15 and 816,051.30 is: 1,221,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,051.30 : 1,221,312.15 = 816,051.30 : x
  2. Step 2: Convert to fraction form
    816,051.30/1,221,312.15 = 816,051.30/x
  3. Step 3: Cross multiply
    816,051.30x = 1,221,312.15 × 816,051.30
  4. Step 4: Simplify right side
    816,051.30x = 996,653,367,713.30
  5. Step 5: Solve for x
    x = 996,653,367,713.30/816,051.30
  6. Step 6: Final answer
    x = 1,221,312.15

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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.