Home / 940,407.55-1,298,159.66-634,897.72

Finding the Fourth Proportional to 940,407.55, 1,298,159.66 and 634,897.72

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Solution

The fourth proportional to 940,407.55, 1,298,159.66 and 634,897.72 is: 876,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,407.55 : 1,298,159.66 = 634,897.72 : x
  2. Step 2: Convert to fraction form
    940,407.55/1,298,159.66 = 634,897.72/x
  3. Step 3: Cross multiply
    940,407.55x = 1,298,159.66 × 634,897.72
  4. Step 4: Simplify right side
    940,407.55x = 824,198,601,910.09
  5. Step 5: Solve for x
    x = 824,198,601,910.09/940,407.55
  6. Step 6: Final answer
    x = 876,427.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.