Home / 1,643,303.81-2,267,876.60-908,242.27

Finding the Fourth Proportional to 1,643,303.81, 2,267,876.60 and 908,242.27

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Solution

The fourth proportional to 1,643,303.81, 2,267,876.60 and 908,242.27 is: 1,253,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,303.81 : 2,267,876.60 = 908,242.27 : x
  2. Step 2: Convert to fraction form
    1,643,303.81/2,267,876.60 = 908,242.27/x
  3. Step 3: Cross multiply
    1,643,303.81x = 2,267,876.60 × 908,242.27
  4. Step 4: Simplify right side
    1,643,303.81x = 2,059,781,379,924.50
  5. Step 5: Solve for x
    x = 2,059,781,379,924.50/1,643,303.81
  6. Step 6: Final answer
    x = 1,253,439.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.