Home / 1,200,750.48-1,657,029.76-656,876.39

Finding the Fourth Proportional to 1,200,750.48, 1,657,029.76 and 656,876.39

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Solution

The fourth proportional to 1,200,750.48, 1,657,029.76 and 656,876.39 is: 906,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,750.48 : 1,657,029.76 = 656,876.39 : x
  2. Step 2: Convert to fraction form
    1,200,750.48/1,657,029.76 = 656,876.39/x
  3. Step 3: Cross multiply
    1,200,750.48x = 1,657,029.76 × 656,876.39
  4. Step 4: Simplify right side
    1,200,750.48x = 1,088,463,716,944.03
  5. Step 5: Solve for x
    x = 1,088,463,716,944.03/1,200,750.48
  6. Step 6: Final answer
    x = 906,486.18

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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.