Home / 1,355,280.12-2,032,935.98-408,659.04

Finding the Fourth Proportional to 1,355,280.12, 2,032,935.98 and 408,659.04

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Solution

The fourth proportional to 1,355,280.12, 2,032,935.98 and 408,659.04 is: 612,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,280.12 : 2,032,935.98 = 408,659.04 : x
  2. Step 2: Convert to fraction form
    1,355,280.12/2,032,935.98 = 408,659.04/x
  3. Step 3: Cross multiply
    1,355,280.12x = 2,032,935.98 × 408,659.04
  4. Step 4: Simplify right side
    1,355,280.12x = 830,777,663,924.96
  5. Step 5: Solve for x
    x = 830,777,663,924.96/1,355,280.12
  6. Step 6: Final answer
    x = 612,993.32

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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.