Home / 1,090,932.12-1,636,359.30-380,957.40

Finding the Fourth Proportional to 1,090,932.12, 1,636,359.30 and 380,957.40

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Solution

The fourth proportional to 1,090,932.12, 1,636,359.30 and 380,957.40 is: 571,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,932.12 : 1,636,359.30 = 380,957.40 : x
  2. Step 2: Convert to fraction form
    1,090,932.12/1,636,359.30 = 380,957.40/x
  3. Step 3: Cross multiply
    1,090,932.12x = 1,636,359.30 × 380,957.40
  4. Step 4: Simplify right side
    1,090,932.12x = 623,383,184,393.82
  5. Step 5: Solve for x
    x = 623,383,184,393.82/1,090,932.12
  6. Step 6: Final answer
    x = 571,422.52

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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.