Home / 1,803,402.40-2,488,091.16-1,039,439.56

Finding the Fourth Proportional to 1,803,402.40, 2,488,091.16 and 1,039,439.56

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Solution

The fourth proportional to 1,803,402.40, 2,488,091.16 and 1,039,439.56 is: 1,434,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,402.40 : 2,488,091.16 = 1,039,439.56 : x
  2. Step 2: Convert to fraction form
    1,803,402.40/2,488,091.16 = 1,039,439.56/x
  3. Step 3: Cross multiply
    1,803,402.40x = 2,488,091.16 × 1,039,439.56
  4. Step 4: Simplify right side
    1,803,402.40x = 2,586,220,380,590.29
  5. Step 5: Solve for x
    x = 2,586,220,380,590.29/1,803,402.40
  6. Step 6: Final answer
    x = 1,434,078.37

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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.