Home / 1,490,165.16-2,235,581.07-543,535.88

Finding the Fourth Proportional to 1,490,165.16, 2,235,581.07 and 543,535.88

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Solution

The fourth proportional to 1,490,165.16, 2,235,581.07 and 543,535.88 is: 815,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,165.16 : 2,235,581.07 = 543,535.88 : x
  2. Step 2: Convert to fraction form
    1,490,165.16/2,235,581.07 = 543,535.88/x
  3. Step 3: Cross multiply
    1,490,165.16x = 2,235,581.07 × 543,535.88
  4. Step 4: Simplify right side
    1,490,165.16x = 1,215,118,513,015.89
  5. Step 5: Solve for x
    x = 1,215,118,513,015.89/1,490,165.16
  6. Step 6: Final answer
    x = 815,425.39

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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.