Home / 1,672,920.48-2,308,597.02-908,979.54

Finding the Fourth Proportional to 1,672,920.48, 2,308,597.02 and 908,979.54

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Solution

The fourth proportional to 1,672,920.48, 2,308,597.02 and 908,979.54 is: 1,254,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,920.48 : 2,308,597.02 = 908,979.54 : x
  2. Step 2: Convert to fraction form
    1,672,920.48/2,308,597.02 = 908,979.54/x
  3. Step 3: Cross multiply
    1,672,920.48x = 2,308,597.02 × 908,979.54
  4. Step 4: Simplify right side
    1,672,920.48x = 2,098,467,457,284.97
  5. Step 5: Solve for x
    x = 2,098,467,457,284.97/1,672,920.48
  6. Step 6: Final answer
    x = 1,254,373.70

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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.