Home / 1,435,616.66-2,152,680.05-424,605.75

Finding the Fourth Proportional to 1,435,616.66, 2,152,680.05 and 424,605.75

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Solution

The fourth proportional to 1,435,616.66, 2,152,680.05 and 424,605.75 is: 636,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,616.66 : 2,152,680.05 = 424,605.75 : x
  2. Step 2: Convert to fraction form
    1,435,616.66/2,152,680.05 = 424,605.75/x
  3. Step 3: Cross multiply
    1,435,616.66x = 2,152,680.05 × 424,605.75
  4. Step 4: Simplify right side
    1,435,616.66x = 914,040,317,740.84
  5. Step 5: Solve for x
    x = 914,040,317,740.84/1,435,616.66
  6. Step 6: Final answer
    x = 636,688.29

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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.