Home / 1,397,814.27-2,096,487.83-387,038.40

Finding the Fourth Proportional to 1,397,814.27, 2,096,487.83 and 387,038.40

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Solution

The fourth proportional to 1,397,814.27, 2,096,487.83 and 387,038.40 is: 580,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,814.27 : 2,096,487.83 = 387,038.40 : x
  2. Step 2: Convert to fraction form
    1,397,814.27/2,096,487.83 = 387,038.40/x
  3. Step 3: Cross multiply
    1,397,814.27x = 2,096,487.83 × 387,038.40
  4. Step 4: Simplify right side
    1,397,814.27x = 811,421,295,342.67
  5. Step 5: Solve for x
    x = 811,421,295,342.67/1,397,814.27
  6. Step 6: Final answer
    x = 580,492.93

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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.