Home / 890,262.78-1,227,884.67-766,294.74

Finding the Fourth Proportional to 890,262.78, 1,227,884.67 and 766,294.74

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Solution

The fourth proportional to 890,262.78, 1,227,884.67 and 766,294.74 is: 1,056,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,262.78 : 1,227,884.67 = 766,294.74 : x
  2. Step 2: Convert to fraction form
    890,262.78/1,227,884.67 = 766,294.74/x
  3. Step 3: Cross multiply
    890,262.78x = 1,227,884.67 × 766,294.74
  4. Step 4: Simplify right side
    890,262.78x = 940,921,563,947.64
  5. Step 5: Solve for x
    x = 940,921,563,947.64/890,262.78
  6. Step 6: Final answer
    x = 1,056,903.18

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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.