Home / 1,209,947.28-1,815,194.04-400,329.76

Finding the Fourth Proportional to 1,209,947.28, 1,815,194.04 and 400,329.76

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Solution

The fourth proportional to 1,209,947.28, 1,815,194.04 and 400,329.76 is: 600,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,947.28 : 1,815,194.04 = 400,329.76 : x
  2. Step 2: Convert to fraction form
    1,209,947.28/1,815,194.04 = 400,329.76/x
  3. Step 3: Cross multiply
    1,209,947.28x = 1,815,194.04 × 400,329.76
  4. Step 4: Simplify right side
    1,209,947.28x = 726,676,194,386.63
  5. Step 5: Solve for x
    x = 726,676,194,386.63/1,209,947.28
  6. Step 6: Final answer
    x = 600,585.01

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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.