Home / 1,358,701.70-2,038,061.21-399,153.38

Finding the Fourth Proportional to 1,358,701.70, 2,038,061.21 and 399,153.38

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Solution

The fourth proportional to 1,358,701.70, 2,038,061.21 and 399,153.38 is: 598,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,701.70 : 2,038,061.21 = 399,153.38 : x
  2. Step 2: Convert to fraction form
    1,358,701.70/2,038,061.21 = 399,153.38/x
  3. Step 3: Cross multiply
    1,358,701.70x = 2,038,061.21 × 399,153.38
  4. Step 4: Simplify right side
    1,358,701.70x = 813,499,008,432.32
  5. Step 5: Solve for x
    x = 813,499,008,432.32/1,358,701.70
  6. Step 6: Final answer
    x = 598,732.61

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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.