Home / 940,406.75-1,298,158.57-634,896.93

Finding the Fourth Proportional to 940,406.75, 1,298,158.57 and 634,896.93

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Solution

The fourth proportional to 940,406.75, 1,298,158.57 and 634,896.93 is: 876,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,406.75 : 1,298,158.57 = 634,896.93 : x
  2. Step 2: Convert to fraction form
    940,406.75/1,298,158.57 = 634,896.93/x
  3. Step 3: Cross multiply
    940,406.75x = 1,298,158.57 × 634,896.93
  4. Step 4: Simplify right side
    940,406.75x = 824,196,896,407.91
  5. Step 5: Solve for x
    x = 824,196,896,407.91/940,406.75
  6. Step 6: Final answer
    x = 876,425.97

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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.