Home / 1,439,221.50-1,986,300.63-835,609.50

Finding the Fourth Proportional to 1,439,221.50, 1,986,300.63 and 835,609.50

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Solution

The fourth proportional to 1,439,221.50, 1,986,300.63 and 835,609.50 is: 1,153,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,221.50 : 1,986,300.63 = 835,609.50 : x
  2. Step 2: Convert to fraction form
    1,439,221.50/1,986,300.63 = 835,609.50/x
  3. Step 3: Cross multiply
    1,439,221.50x = 1,986,300.63 × 835,609.50
  4. Step 4: Simplify right side
    1,439,221.50x = 1,659,771,676,283.99
  5. Step 5: Solve for x
    x = 1,659,771,676,283.99/1,439,221.50
  6. Step 6: Final answer
    x = 1,153,242.69

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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.