Home / 1,314,020.20-1,971,030.30-1,048,299.70

Finding the Fourth Proportional to 1,314,020.20, 1,971,030.30 and 1,048,299.70

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Solution

The fourth proportional to 1,314,020.20, 1,971,030.30 and 1,048,299.70 is: 1,572,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,020.20 : 1,971,030.30 = 1,048,299.70 : x
  2. Step 2: Convert to fraction form
    1,314,020.20/1,971,030.30 = 1,048,299.70/x
  3. Step 3: Cross multiply
    1,314,020.20x = 1,971,030.30 × 1,048,299.70
  4. Step 4: Simplify right side
    1,314,020.20x = 2,066,230,472,180.91
  5. Step 5: Solve for x
    x = 2,066,230,472,180.91/1,314,020.20
  6. Step 6: Final answer
    x = 1,572,449.55

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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.