Home / 940,412.66-1,298,166.73-634,902.86

Finding the Fourth Proportional to 940,412.66, 1,298,166.73 and 634,902.86

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Solution

The fourth proportional to 940,412.66, 1,298,166.73 and 634,902.86 is: 876,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,412.66 : 1,298,166.73 = 634,902.86 : x
  2. Step 2: Convert to fraction form
    940,412.66/1,298,166.73 = 634,902.86/x
  3. Step 3: Cross multiply
    940,412.66x = 1,298,166.73 × 634,902.86
  4. Step 4: Simplify right side
    940,412.66x = 824,209,771,292.01
  5. Step 5: Solve for x
    x = 824,209,771,292.01/940,412.66
  6. Step 6: Final answer
    x = 876,434.16

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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.