Home / 1,227,420.50-1,841,196.36-386,037.86

Finding the Fourth Proportional to 1,227,420.50, 1,841,196.36 and 386,037.86

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Solution

The fourth proportional to 1,227,420.50, 1,841,196.36 and 386,037.86 is: 579,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,420.50 : 1,841,196.36 = 386,037.86 : x
  2. Step 2: Convert to fraction form
    1,227,420.50/1,841,196.36 = 386,037.86/x
  3. Step 3: Cross multiply
    1,227,420.50x = 1,841,196.36 × 386,037.86
  4. Step 4: Simplify right side
    1,227,420.50x = 710,771,502,654.19
  5. Step 5: Solve for x
    x = 710,771,502,654.19/1,227,420.50
  6. Step 6: Final answer
    x = 579,077.43

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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.