Home / 1,298,803.68-1,948,412.88-400,027.68

Finding the Fourth Proportional to 1,298,803.68, 1,948,412.88 and 400,027.68

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Solution

The fourth proportional to 1,298,803.68, 1,948,412.88 and 400,027.68 is: 600,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,803.68 : 1,948,412.88 = 400,027.68 : x
  2. Step 2: Convert to fraction form
    1,298,803.68/1,948,412.88 = 400,027.68/x
  3. Step 3: Cross multiply
    1,298,803.68x = 1,948,412.88 × 400,027.68
  4. Step 4: Simplify right side
    1,298,803.68x = 779,419,084,068.52
  5. Step 5: Solve for x
    x = 779,419,084,068.52/1,298,803.68
  6. Step 6: Final answer
    x = 600,105.39

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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.