Home / 1,461,208.60-2,016,490.71-816,670.54

Finding the Fourth Proportional to 1,461,208.60, 2,016,490.71 and 816,670.54

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Solution

The fourth proportional to 1,461,208.60, 2,016,490.71 and 816,670.54 is: 1,127,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,208.60 : 2,016,490.71 = 816,670.54 : x
  2. Step 2: Convert to fraction form
    1,461,208.60/2,016,490.71 = 816,670.54/x
  3. Step 3: Cross multiply
    1,461,208.60x = 2,016,490.71 × 816,670.54
  4. Step 4: Simplify right side
    1,461,208.60x = 1,646,808,557,040.68
  5. Step 5: Solve for x
    x = 1,646,808,557,040.68/1,461,208.60
  6. Step 6: Final answer
    x = 1,127,018.11

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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.