Home / 912,814.20-1,369,221.30-700,237.80

Finding the Fourth Proportional to 912,814.20, 1,369,221.30 and 700,237.80

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Solution

The fourth proportional to 912,814.20, 1,369,221.30 and 700,237.80 is: 1,050,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,814.20 : 1,369,221.30 = 700,237.80 : x
  2. Step 2: Convert to fraction form
    912,814.20/1,369,221.30 = 700,237.80/x
  3. Step 3: Cross multiply
    912,814.20x = 1,369,221.30 × 700,237.80
  4. Step 4: Simplify right side
    912,814.20x = 958,780,510,825.14
  5. Step 5: Solve for x
    x = 958,780,510,825.14/912,814.20
  6. Step 6: Final answer
    x = 1,050,356.70

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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.