Home / 1,298,814.86-1,948,405.18-400,329.02

Finding the Fourth Proportional to 1,298,814.86, 1,948,405.18 and 400,329.02

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Solution

The fourth proportional to 1,298,814.86, 1,948,405.18 and 400,329.02 is: 600,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,814.86 : 1,948,405.18 = 400,329.02 : x
  2. Step 2: Convert to fraction form
    1,298,814.86/1,948,405.18 = 400,329.02/x
  3. Step 3: Cross multiply
    1,298,814.86x = 1,948,405.18 × 400,329.02
  4. Step 4: Simplify right side
    1,298,814.86x = 780,003,136,272.32
  5. Step 5: Solve for x
    x = 780,003,136,272.32/1,298,814.86
  6. Step 6: Final answer
    x = 600,549.90

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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.