Home / 1,461,054.15-2,016,248.90-816,474.20

Finding the Fourth Proportional to 1,461,054.15, 2,016,248.90 and 816,474.20

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Solution

The fourth proportional to 1,461,054.15, 2,016,248.90 and 816,474.20 is: 1,126,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,054.15 : 2,016,248.90 = 816,474.20 : x
  2. Step 2: Convert to fraction form
    1,461,054.15/2,016,248.90 = 816,474.20/x
  3. Step 3: Cross multiply
    1,461,054.15x = 2,016,248.90 × 816,474.20
  4. Step 4: Simplify right side
    1,461,054.15x = 1,646,215,193,464.76
  5. Step 5: Solve for x
    x = 1,646,215,193,464.76/1,461,054.15
  6. Step 6: Final answer
    x = 1,126,731.13

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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.