Home / 1,298,816.36-1,948,407.42-400,330.52

Finding the Fourth Proportional to 1,298,816.36, 1,948,407.42 and 400,330.52

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Solution

The fourth proportional to 1,298,816.36, 1,948,407.42 and 400,330.52 is: 600,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,816.36 : 1,948,407.42 = 400,330.52 : x
  2. Step 2: Convert to fraction form
    1,298,816.36/1,948,407.42 = 400,330.52/x
  3. Step 3: Cross multiply
    1,298,816.36x = 1,948,407.42 × 400,330.52
  4. Step 4: Simplify right side
    1,298,816.36x = 780,006,955,620.46
  5. Step 5: Solve for x
    x = 780,006,955,620.46/1,298,816.36
  6. Step 6: Final answer
    x = 600,552.15

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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.