Home / 940,412.71-1,298,166.78-634,902.89

Finding the Fourth Proportional to 940,412.71, 1,298,166.78 and 634,902.89

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Solution

The fourth proportional to 940,412.71, 1,298,166.78 and 634,902.89 is: 876,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,412.71 : 1,298,166.78 = 634,902.89 : x
  2. Step 2: Convert to fraction form
    940,412.71/1,298,166.78 = 634,902.89/x
  3. Step 3: Cross multiply
    940,412.71x = 1,298,166.78 × 634,902.89
  4. Step 4: Simplify right side
    940,412.71x = 824,209,840,323.99
  5. Step 5: Solve for x
    x = 824,209,840,323.99/940,412.71
  6. Step 6: Final answer
    x = 876,434.18

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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.