Home / 1,207,359.40-1,813,112.70-854,847.40

Finding the Fourth Proportional to 1,207,359.40, 1,813,112.70 and 854,847.40

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Solution

The fourth proportional to 1,207,359.40, 1,813,112.70 and 854,847.40 is: 1,283,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,359.40 : 1,813,112.70 = 854,847.40 : x
  2. Step 2: Convert to fraction form
    1,207,359.40/1,813,112.70 = 854,847.40/x
  3. Step 3: Cross multiply
    1,207,359.40x = 1,813,112.70 × 854,847.40
  4. Step 4: Simplify right side
    1,207,359.40x = 1,549,934,677,501.98
  5. Step 5: Solve for x
    x = 1,549,934,677,501.98/1,207,359.40
  6. Step 6: Final answer
    x = 1,283,739.27

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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.