Home / 693,145.10-1,039,717.65-683,813.90

Finding the Fourth Proportional to 693,145.10, 1,039,717.65 and 683,813.90

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Solution

The fourth proportional to 693,145.10, 1,039,717.65 and 683,813.90 is: 1,025,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,145.10 : 1,039,717.65 = 683,813.90 : x
  2. Step 2: Convert to fraction form
    693,145.10/1,039,717.65 = 683,813.90/x
  3. Step 3: Cross multiply
    693,145.10x = 1,039,717.65 × 683,813.90
  4. Step 4: Simplify right side
    693,145.10x = 710,973,381,145.34
  5. Step 5: Solve for x
    x = 710,973,381,145.34/693,145.10
  6. Step 6: Final answer
    x = 1,025,720.85

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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.