Home / 1,809,209.70-2,712,830.40-744,359.40

Finding the Fourth Proportional to 1,809,209.70, 2,712,830.40 and 744,359.40

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Solution

The fourth proportional to 1,809,209.70, 2,712,830.40 and 744,359.40 is: 1,116,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,209.70 : 2,712,830.40 = 744,359.40 : x
  2. Step 2: Convert to fraction form
    1,809,209.70/2,712,830.40 = 744,359.40/x
  3. Step 3: Cross multiply
    1,809,209.70x = 2,712,830.40 × 744,359.40
  4. Step 4: Simplify right side
    1,809,209.70x = 2,019,320,808,845.76
  5. Step 5: Solve for x
    x = 2,019,320,808,845.76/1,809,209.70
  6. Step 6: Final answer
    x = 1,116,134.19

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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.