Home / 1,262,090.08-1,741,671.48-778,461.76

Finding the Fourth Proportional to 1,262,090.08, 1,741,671.48 and 778,461.76

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Solution

The fourth proportional to 1,262,090.08, 1,741,671.48 and 778,461.76 is: 1,074,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,090.08 : 1,741,671.48 = 778,461.76 : x
  2. Step 2: Convert to fraction form
    1,262,090.08/1,741,671.48 = 778,461.76/x
  3. Step 3: Cross multiply
    1,262,090.08x = 1,741,671.48 × 778,461.76
  4. Step 4: Simplify right side
    1,262,090.08x = 1,355,824,645,662.60
  5. Step 5: Solve for x
    x = 1,355,824,645,662.60/1,262,090.08
  6. Step 6: Final answer
    x = 1,074,269.31

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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.