Home / 1,461,228.90-2,016,498.80-816,649.07

Finding the Fourth Proportional to 1,461,228.90, 2,016,498.80 and 816,649.07

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Solution

The fourth proportional to 1,461,228.90, 2,016,498.80 and 816,649.07 is: 1,126,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,228.90 : 2,016,498.80 = 816,649.07 : x
  2. Step 2: Convert to fraction form
    1,461,228.90/2,016,498.80 = 816,649.07/x
  3. Step 3: Cross multiply
    1,461,228.90x = 2,016,498.80 × 816,649.07
  4. Step 4: Simplify right side
    1,461,228.90x = 1,646,771,855,510.38
  5. Step 5: Solve for x
    x = 1,646,771,855,510.38/1,461,228.90
  6. Step 6: Final answer
    x = 1,126,977.34

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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.