Home / 1,298,413.40-1,947,620.10-411,949.40

Finding the Fourth Proportional to 1,298,413.40, 1,947,620.10 and 411,949.40

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Solution

The fourth proportional to 1,298,413.40, 1,947,620.10 and 411,949.40 is: 617,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,413.40 : 1,947,620.10 = 411,949.40 : x
  2. Step 2: Convert to fraction form
    1,298,413.40/1,947,620.10 = 411,949.40/x
  3. Step 3: Cross multiply
    1,298,413.40x = 1,947,620.10 × 411,949.40
  4. Step 4: Simplify right side
    1,298,413.40x = 802,320,931,622.94
  5. Step 5: Solve for x
    x = 802,320,931,622.94/1,298,413.40
  6. Step 6: Final answer
    x = 617,924.10

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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.