Home / 1,225,999.90-1,838,999.85-552,403.90

Finding the Fourth Proportional to 1,225,999.90, 1,838,999.85 and 552,403.90

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Solution

The fourth proportional to 1,225,999.90, 1,838,999.85 and 552,403.90 is: 828,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,999.90 : 1,838,999.85 = 552,403.90 : x
  2. Step 2: Convert to fraction form
    1,225,999.90/1,838,999.85 = 552,403.90/x
  3. Step 3: Cross multiply
    1,225,999.90x = 1,838,999.85 × 552,403.90
  4. Step 4: Simplify right side
    1,225,999.90x = 1,015,870,689,239.42
  5. Step 5: Solve for x
    x = 1,015,870,689,239.42/1,225,999.90
  6. Step 6: Final answer
    x = 828,605.85

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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.