Home / 1,337,413.80-2,006,363.70-438,605.40

Finding the Fourth Proportional to 1,337,413.80, 2,006,363.70 and 438,605.40

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Solution

The fourth proportional to 1,337,413.80, 2,006,363.70 and 438,605.40 is: 657,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,413.80 : 2,006,363.70 = 438,605.40 : x
  2. Step 2: Convert to fraction form
    1,337,413.80/2,006,363.70 = 438,605.40/x
  3. Step 3: Cross multiply
    1,337,413.80x = 2,006,363.70 × 438,605.40
  4. Step 4: Simplify right side
    1,337,413.80x = 880,001,953,183.98
  5. Step 5: Solve for x
    x = 880,001,953,183.98/1,337,413.80
  6. Step 6: Final answer
    x = 657,987.79

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1.5x scale

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.