Home / 1,490,759.70-2,236,139.55-893,562.90

Finding the Fourth Proportional to 1,490,759.70, 2,236,139.55 and 893,562.90

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Solution

The fourth proportional to 1,490,759.70, 2,236,139.55 and 893,562.90 is: 1,340,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,759.70 : 2,236,139.55 = 893,562.90 : x
  2. Step 2: Convert to fraction form
    1,490,759.70/2,236,139.55 = 893,562.90/x
  3. Step 3: Cross multiply
    1,490,759.70x = 2,236,139.55 × 893,562.90
  4. Step 4: Simplify right side
    1,490,759.70x = 1,998,131,341,102.69
  5. Step 5: Solve for x
    x = 1,998,131,341,102.69/1,490,759.70
  6. Step 6: Final answer
    x = 1,340,344.35

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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.