Home / 1,665,210.80-2,298,046.64-1,020,506.49

Finding the Fourth Proportional to 1,665,210.80, 2,298,046.64 and 1,020,506.49

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Solution

The fourth proportional to 1,665,210.80, 2,298,046.64 and 1,020,506.49 is: 1,408,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,210.80 : 2,298,046.64 = 1,020,506.49 : x
  2. Step 2: Convert to fraction form
    1,665,210.80/2,298,046.64 = 1,020,506.49/x
  3. Step 3: Cross multiply
    1,665,210.80x = 2,298,046.64 × 1,020,506.49
  4. Step 4: Simplify right side
    1,665,210.80x = 2,345,171,505,340.16
  5. Step 5: Solve for x
    x = 2,345,171,505,340.16/1,665,210.80
  6. Step 6: Final answer
    x = 1,408,333.11

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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.