Home / 940,412.96-1,298,167.11-634,903.13

Finding the Fourth Proportional to 940,412.96, 1,298,167.11 and 634,903.13

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Solution

The fourth proportional to 940,412.96, 1,298,167.11 and 634,903.13 is: 876,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,412.96 : 1,298,167.11 = 634,903.13 : x
  2. Step 2: Convert to fraction form
    940,412.96/1,298,167.11 = 634,903.13/x
  3. Step 3: Cross multiply
    940,412.96x = 1,298,167.11 × 634,903.13
  4. Step 4: Simplify right side
    940,412.96x = 824,210,361,402.05
  5. Step 5: Solve for x
    x = 824,210,361,402.05/940,412.96
  6. Step 6: Final answer
    x = 876,434.50

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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.