Home / 1,412,429.40-2,118,644.10-514,884.60

Finding the Fourth Proportional to 1,412,429.40, 2,118,644.10 and 514,884.60

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Solution

The fourth proportional to 1,412,429.40, 2,118,644.10 and 514,884.60 is: 772,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,429.40 : 2,118,644.10 = 514,884.60 : x
  2. Step 2: Convert to fraction form
    1,412,429.40/2,118,644.10 = 514,884.60/x
  3. Step 3: Cross multiply
    1,412,429.40x = 2,118,644.10 × 514,884.60
  4. Step 4: Simplify right side
    1,412,429.40x = 1,090,857,219,970.86
  5. Step 5: Solve for x
    x = 1,090,857,219,970.86/1,412,429.40
  6. Step 6: Final answer
    x = 772,326.90

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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.