Home / 1,399,397.30-2,095,985.55-1,212,773.30

Finding the Fourth Proportional to 1,399,397.30, 2,095,985.55 and 1,212,773.30

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Solution

The fourth proportional to 1,399,397.30, 2,095,985.55 and 1,212,773.30 is: 1,816,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,397.30 : 2,095,985.55 = 1,212,773.30 : x
  2. Step 2: Convert to fraction form
    1,399,397.30/2,095,985.55 = 1,212,773.30/x
  3. Step 3: Cross multiply
    1,399,397.30x = 2,095,985.55 × 1,212,773.30
  4. Step 4: Simplify right side
    1,399,397.30x = 2,541,955,312,225.82
  5. Step 5: Solve for x
    x = 2,541,955,312,225.82/1,399,397.30
  6. Step 6: Final answer
    x = 1,816,464.35

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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.