Home / 1,960,432.02-2,705,078.70-1,225,299.69

Finding the Fourth Proportional to 1,960,432.02, 2,705,078.70 and 1,225,299.69

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Solution

The fourth proportional to 1,960,432.02, 2,705,078.70 and 1,225,299.69 is: 1,690,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,432.02 : 2,705,078.70 = 1,225,299.69 : x
  2. Step 2: Convert to fraction form
    1,960,432.02/2,705,078.70 = 1,225,299.69/x
  3. Step 3: Cross multiply
    1,960,432.02x = 2,705,078.70 × 1,225,299.69
  4. Step 4: Simplify right side
    1,960,432.02x = 3,314,532,092,535.60
  5. Step 5: Solve for x
    x = 3,314,532,092,535.60/1,960,432.02
  6. Step 6: Final answer
    x = 1,690,715.14

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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.