Home / 1,421,413.61-2,131,807.23-410,315.94

Finding the Fourth Proportional to 1,421,413.61, 2,131,807.23 and 410,315.94

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Solution

The fourth proportional to 1,421,413.61, 2,131,807.23 and 410,315.94 is: 615,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,413.61 : 2,131,807.23 = 410,315.94 : x
  2. Step 2: Convert to fraction form
    1,421,413.61/2,131,807.23 = 410,315.94/x
  3. Step 3: Cross multiply
    1,421,413.61x = 2,131,807.23 × 410,315.94
  4. Step 4: Simplify right side
    1,421,413.61x = 874,714,487,476.25
  5. Step 5: Solve for x
    x = 874,714,487,476.25/1,421,413.61
  6. Step 6: Final answer
    x = 615,383.51

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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.