Home / 1,340,282.52-1,849,604.04-728,435.34

Finding the Fourth Proportional to 1,340,282.52, 1,849,604.04 and 728,435.34

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Solution

The fourth proportional to 1,340,282.52, 1,849,604.04 and 728,435.34 is: 1,005,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,282.52 : 1,849,604.04 = 728,435.34 : x
  2. Step 2: Convert to fraction form
    1,340,282.52/1,849,604.04 = 728,435.34/x
  3. Step 3: Cross multiply
    1,340,282.52x = 1,849,604.04 × 728,435.34
  4. Step 4: Simplify right side
    1,340,282.52x = 1,347,316,947,742.77
  5. Step 5: Solve for x
    x = 1,347,316,947,742.77/1,340,282.52
  6. Step 6: Final answer
    x = 1,005,248.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.