Home / 1,435,396.40-2,152,705.80-424,516.40

Finding the Fourth Proportional to 1,435,396.40, 2,152,705.80 and 424,516.40

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Solution

The fourth proportional to 1,435,396.40, 2,152,705.80 and 424,516.40 is: 636,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,396.40 : 2,152,705.80 = 424,516.40 : x
  2. Step 2: Convert to fraction form
    1,435,396.40/2,152,705.80 = 424,516.40/x
  3. Step 3: Cross multiply
    1,435,396.40x = 2,152,705.80 × 424,516.40
  4. Step 4: Simplify right side
    1,435,396.40x = 913,858,916,475.12
  5. Step 5: Solve for x
    x = 913,858,916,475.12/1,435,396.40
  6. Step 6: Final answer
    x = 636,659.61

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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.