Home / 1,210,165.90-1,815,054.45-368,521.90

Finding the Fourth Proportional to 1,210,165.90, 1,815,054.45 and 368,521.90

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Solution

The fourth proportional to 1,210,165.90, 1,815,054.45 and 368,521.90 is: 552,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,165.90 : 1,815,054.45 = 368,521.90 : x
  2. Step 2: Convert to fraction form
    1,210,165.90/1,815,054.45 = 368,521.90/x
  3. Step 3: Cross multiply
    1,210,165.90x = 1,815,054.45 × 368,521.90
  4. Step 4: Simplify right side
    1,210,165.90x = 668,887,314,517.46
  5. Step 5: Solve for x
    x = 668,887,314,517.46/1,210,165.90
  6. Step 6: Final answer
    x = 552,723.65

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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.