Home / 1,292,496-1,783,685.52-808,906.56

Finding the Fourth Proportional to 1,292,496, 1,783,685.52 and 808,906.56

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Solution

The fourth proportional to 1,292,496, 1,783,685.52 and 808,906.56 is: 1,116,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,496 : 1,783,685.52 = 808,906.56 : x
  2. Step 2: Convert to fraction form
    1,292,496/1,783,685.52 = 808,906.56/x
  3. Step 3: Cross multiply
    1,292,496x = 1,783,685.52 × 808,906.56
  4. Step 4: Simplify right side
    1,292,496x = 1,442,834,918,105.01
  5. Step 5: Solve for x
    x = 1,442,834,918,105.01/1,292,496
  6. Step 6: Final answer
    x = 1,116,316.74

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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.