Home / 1,007,807.84-1,511,702.32-408,626.60

Finding the Fourth Proportional to 1,007,807.84, 1,511,702.32 and 408,626.60

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Solution

The fourth proportional to 1,007,807.84, 1,511,702.32 and 408,626.60 is: 612,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,807.84 : 1,511,702.32 = 408,626.60 : x
  2. Step 2: Convert to fraction form
    1,007,807.84/1,511,702.32 = 408,626.60/x
  3. Step 3: Cross multiply
    1,007,807.84x = 1,511,702.32 × 408,626.60
  4. Step 4: Simplify right side
    1,007,807.84x = 617,721,779,233.71
  5. Step 5: Solve for x
    x = 617,721,779,233.71/1,007,807.84
  6. Step 6: Final answer
    x = 612,936.07

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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.